update install documentation:

 * add note about second plugin and custom struts action
 * also mention colibri skin, if in use
 * .gitignore logfiles and build dir
Update to XWiki 5 (and Lucene 4)
Bug fixes and converted test files to unix file endings.
Merge pull request #1 from espresto/update-install-docs

update install documentation
- added missing class Token

- added cusom RightService implementation as a workaround for
hard-coded permissions for XWikiActions in the default rights service
implementation.
Merge branch 'master' of https://github.com/ag-csw/XWikiLinkRecommender

Conflicts:
	.gitignore
update pdfbox to a version compatible with XWiki 5.4.4

 also avoid installing the pdfbox jars (and others)
which are already present on the servlet container
and fix conflict on .gitignore
update documentation to XWiki version 5.4.4
Merge pull request #2 from espresto/xwiki-544-test

XWiki 5.4.4 update pdfbox
Merge remote-tracking branch 'upstream/master' into virtuoso_em

Conflicts:
	build.properties.user:
   - different default path to xwiki installation, updated
	src/java/de/csw/linkgenerator/plugin/lucene/LucenePlugin.java
   - (?) no changes needed merge, actually
	src/java/de/csw/ontology/XWikiTextEnhancer.java
   - some sysout needed update (going to scrap then in a minute anyway ...)