update rails
fixing tests
speed up compiling assets
Merge branch 'master' into rails_3_2
new syntaxis for paperclip
updated deploy script
exclude blank values in filters array
fixed crashes after updating solr
fixed translations
fixed adding comments and answers to comments
fixed tests for comments
implemented pending tests
writing feed object to db is not necessary
added rel=nofollow to external links
translation for experience levels
don't escape apostrophe in addthis params
clean empty values for filter in broadcast message
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invitations to calendar
Merge pull request #7 from Altoros/invitations_to_calendar

invitations to calendar