Added mention of url-in-comment hyperlinking.
Added mention of javadoc on hover of Java elements.
Doocumented error on JDT weaving not being turned on
Added a note about reST.

This fixes #4.
Added documentation for our CI server.

This closes #1.
Fixes after PR review, thanks @dotta !
Swapping url image, thanks @dotta
Merge pull request #51 from huitseeker/maintenance/release-upgrade

Additions to the Documentation tied to the 3.0.0 release.