sisu harvest, introduce module along with header syntax addition & modification

* sisu markup, additional header and new format rule:
  * @creator: / @author: header field, introduced author name format rules
    for more usable metadata harvesting: surname comma other names, additional
    authors separated by semi-colon
  * param added meta-tag, @topic_register: formatting topic levels are
    separated from sub-levels by a colon, a semi-colon separates main topics
    if there are multiple topics at lowest sub-level, a pipe can be used to
    create multiple headings

* harvest module, harvests metadata from document set currently extracts: (i)
  authors and their writings from document set; (ii) topics and associated
  writings from document set (topics use topic_register header). harvest
  (when run against documents common to a directory of a site) extracts
  metadata and organises the documents on a site by author and topic
  information provided (there is a new "topic_register" header, with
  formatting rules similar to those of the book index), results are placed in
  [output_path]/sisu_site_metadata.
    sisu --harvest *.sst
  * by author (see change in param @creator: / @author: header field)
  * by topic / subject index (see addition in param of @topic_register:
    header field)
  initially there should be an example samples here:
    http://www.jus.uio.no/sisu/sisu_site_metadata/harvest_authors.html
    http://www.jus.uio.no/sisu/sisu_site_metadata/harvest_topics.html
  together with update markup source files

  The authors and their writings list will be made to take on a more
  biblographical form, with the use of additional fields as required.
  (concept example, suitable for medium sized sites [to remove size
  constraint: implement SQL equivalent]) make feature more robust

* css, for harvest output added

* remote placement of sisu_site_metadata (output produced by metadata harvest)

* sisu markup, update document samples accordingly

* tidy copyright marks in program headers, remove repetition of dates

[version bump because formatting rule introduced to author / creator header -
where new site metadata harvest feature is used, (at present changes changes
should not be noticed except when using metadata harvest)]

1 files changed, 131 insertions, 2 deletions

diff --git a/lib/sisu/v0/css.rb b/lib/sisu/v0/css.rb
index ec71c4f3..d5a15971 100644
--- a/lib/sisu/v0/css.rb
+++ b/lib/sisu/v0/css.rb
@@ -14,8 +14,7 @@
 
    SiSU, a framework for document structuring, publishing and search
 
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-   2007, 2008 Ralph Amissah
+   Copyright (C) Ralph Amissah
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
@@ -101,6 +100,136 @@ module SiSU_Style
   }
 WOK
     end
+    def harvest
+      <<WOK
+/* SiSU harvest css default stylesheet */
+  body {
+    color: black;
+    background: "#ffffff";
+    background-color: "#ffffff";
+  }
+  a:link {
+    color: #003399;
+    text-decoration: none;
+  }
+  a:visited {
+    color: #003399;
+    text-decoration: none;
+  }
+  a:hover {
+    color: #000000;
+    background-color: #f9f9aa;
+  }
+  a:hover img {
+    background-color: "#ffffff";
+  }
+  a:active {
+    color: #003399;
+    text-decoration: underline;
+  }
+
+  .norm, .bold {
+    line-height: 150%;
+    margin-left: 1em;
+    margin-right: 2em;
+    margin-top: 10px;
+    margin-bottom: 0px;
+    text-indent: 0mm;
+  }
+  p, h0, h1, h2, h3, h4, h5, h6 {
+    display: block;
+    font-family: verdana, arial, georgia, tahoma, sans-serif, helvetica, times, roman;
+    font-size: 100%;
+    font-weight: normal;
+    line-height: 150%;
+    /* text-align: justify; */
+    margin-left: 1em;
+    text-indent: 0mm;
+    margin-top: 2px;
+    margin-bottom: 2px;
+    margin-right: 6px;
+    text-align: left;
+  }
+  h1 {
+    font-size: 120%;
+    font-weight: bold;
+    color: white;
+    background: #000088;
+    margin-left: 0em;
+  }
+  p.work {
+    font-size: 80%;
+    margin-left: 5em;
+    margin-top: 0px;
+    margin-bottom: 0px;
+    margin-right: 6px;
+    text-align: left;
+  }
+  p.author {
+    font-size: 100%;
+    margin-left: 2em;
+    margin-top: 0px;
+    margin-bottom: 0px;
+    margin-right: 6px;
+    text-align: left;
+  }
+  p.publication {
+    font-size: 80%;
+    margin-left: 4em;
+    margin-top: 0px;
+    margin-bottom: 0px;
+    margin-right: 6px;
+    text-align: left;
+  }
+  p.letter {
+    font-weight: bold;
+    font-size: 60%;
+    margin-left: 1em;
+    margin-top: 0px;
+    margin-bottom: 0px;
+    margin-right: 6px;
+    text-align: left;
+    color: white;
+    background: #880000;
+  }
+  p.lev0 {
+    font-size: 120%;
+    margin-left: 1em;
+    color: white;
+    background: #000000;
+  }
+
+  p.lev1 {
+    font-size: 110%;
+    margin-left: 2em;
+    color: white;
+    background: #444444;
+  }
+
+  p.lev2 {
+    font-size: 100%;
+    margin-left: 3em;
+    background: #888888;
+  }
+
+  p.lev3 {
+    font-size: 90%;
+    margin-left: 4em;
+    background: #bbbbbb;
+  }
+
+  p.lev4 {
+    font-size: 80%;
+    margin-left: 5em;
+    background: #eeeeee;
+  }
+
+  p.lev5 {
+    font-size: 80%;
+    margin-left: 6em;
+  }
+WOK
+    end
     def html                                      #stylesheet for css html pages == html.css
 <<WOK
 /* SiSU css default stylesheet */