Merge pull request #45 from TheDom/dg-talks

Added my talks from the 201312 and 201402 meetups
Closes #37: removed CSS for vertical alignment of thumbnails since it screws up on Firefox
Set usage of JDK 1.7 on Heroku
Upgrade to Play 2.2.2
Removed CraftConf logo
Added Travis configuration for deployment of development branch to Heroku
Fix #29: refactor meetup group id out to the config file and update README
Merge pull request #46 from rafacm/issue-29

Fix #29: refactor meetup group id out to the config file and update README
README: added info on new development brach
Fixes #33: remove multiple copies of jQuery
Fixes #33: remove redundant jQuery file from assets
Merge pull request #47 from rafacm/issue-33

Fixes #33: remove multiple copies of jQuery
Show up to 3 upcoming events
June 2014 meetup talks
fix 'end of input but string quote still open' error
Adding link to slides
Fix closing double quote in talk 'tags' metadata field
Merge pull request #50 from rafacm/master

Fix closing double quote in talk 'tags' metadata field
Upgrade project Play 2.3 and fix plugins dependencies.
Add the (now optional) web services library and fix compilation errors