Merge tinmarino-dev_vader. Add new vader tests.

Adds tests for the commands:
VimwikiTOC, VimwikiGenerateLinks, VimwikiDiaryGenerateLinks,
VimwikiRebuildTags, VimwikiGenerateTags, VimwikiGoto

Add syntax tests, key mapping tests and table auto format tests.

New helper function in vader setup file.

The default wikis setup in the test vimrc are now mapped to the Docker
containers test user's home directory. The test user does not have
access to write to other locations.

test/vimrc

@@ -6,26 +6,32 @@ set nocompatible
 filetype plugin indent on
 syntax enable
 
+" Wiki's resources to be used after:
+"   :!cp -r /testplugin/test/resources/* $HOME/
+" or from a test.vader file Execute block:
+"   call CopyResources()
+" This complication aims for these copies to be writable
+
 " default syntax
 let vimwiki_default = {}
-let vimwiki_default.path = 'test/resources/vimwiki/default'
-let vimwiki_default.path_html = 'test/resources/default/html'
+let vimwiki_default.path = $HOME . '/testwiki'
+let vimwiki_default.path_html = $HOME . '/html/default'
 let vimwiki_default.syntax = 'default'
 let vimwiki_default.ext = '.wiki'
 let vimwiki_default.name = 'DefaultSyntax'
 
 " markdown syntax - https://github.github.com/gfm/
 let vimwiki_markdown = {}
-let vimwiki_markdown.path = 'test/resources/vimwiki/markdown'
-let vimwiki_markdown.path_html = '~/vimwiki/markdown/html'
+let vimwiki_markdown.path = $HOME . '/testmarkdown'
+let vimwiki_markdown.path_html = $HOME . '/html/markdown'
 let vimwiki_markdown.syntax = 'markdown'
 let vimwiki_markdown.ext = '.md'
 let vimwiki_markdown.name = 'MarkdownSyntax'
 
 " mediawiki syntax - https://www.mediawiki.org/wiki/Help:Formatting
 let vimwiki_mediawiki = {}
-let vimwiki_mediawiki.path = 'test/resources/vimwiki/mediawiki'
-let vimwiki_mediawiki.path_html = 'test/resources/vimwiki/mediawiki/html'
+let vimwiki_mediawiki.path = $HOME . '/testmediawiki'
+let vimwiki_mediawiki.path_html = $HOME . '/html/mediawiki'
 let vimwiki_mediawiki.syntax = 'mediawiki'
 let vimwiki_mediawiki.ext = '.mw'
 let vimwiki_mediawiki.name = 'MediaWikiSyntax'