Fix style markdown table on README.md
Remove some functions from ControlUtil.
Add plist launcher for OS X and installation instructions
Merge pull request #233 from shootaroo/fix-style-readme

Fix style markdown table on README.md
Merge pull request #237 from hanxue/osx

Add plist launcher for OS X and installation instructions
(refs #237)Move gitbucket.plist to contrib.
(refs #237)Add link to gitbucket.plist
(refs #238)Enable automatic mixed mode of H2.