XE-1323: Upgrade to HyperSQL 2.3.0
[Misc] Added explanation after XWIKI-8988 (Hide the xwiki/1.0 syntax from the list of available syntaxes)
XWIKI-8907: Force Compatibility mode for IE browsers
- better comment
[Misc] Fix Javadoc according to http://markmail.org/thread/c4itpnnul32v7zf5