plugin last updated: use lastReleased

plugin search result does not show last updated date like the plugin page
add font awesome 3.2.1 files
add icons to Documentation, Source, and Issues buttons on plugin pages

- Added Font Awesome CSS to ApplicationResources (replaces Bootstrap Glyphicons) and added icons to buttons on plugin pages
- Removed Glyphicons (bootstrap-sprites.less) from style.less
- Refactored buttons GSP code into common _pluginButtons template
show username for logged in user
add missing button styling on user profile page
add .DS_Store to gitignore file
Merge pull request #35 from kenliu/add-dsstore-to-gitignore

add .DS_Store to gitignore file
Enable greenmail URL mapping when running in dev and test

Can't reach /greenmail for manual testing without this URLMapping enabled
WEBSITE-160, WEBSITE-264 fix RSS feeds for wiki and plugin updates

also partially addresses WEBSITE-218 by fixing feeds for screencasts, but there's no code for the websites or tutorials feeds (yet)
WEBSITE-266 update email subject line to include [grails.org]

also changed "tab" to "section" in subject
Merge pull request #31 from mauk81/patch-1

plugin last updated: use lastReleased
Merge pull request #32 from kenliu/add-link-icons

Add icons to button links on plugin list pages and plugin detail page
Merge pull request #33 from kenliu/username-in-header

Show username in site header for logged in user
Merge pull request #34 from kenliu/profile-button-styling-fix

add missing button styling on user profile page
Merge pull request #36 from kenliu/enable-greenmail-in-dev

Enable greenmail URL mapping when running in dev and test
Merge pull request #37 from kenliu/fix-rss-feeds-WEBSITE-160-WEBSITE-264

WEBSITE-160, WEBSITE-264 fix RSS feeds for wiki and plugin updates
Merge pull request #38 from kenliu/email-subject-brackets

WEBSITE-266 update email subject line to include [grails.org]