Merge pull request #171 from modilabs/master

fixed issue with different variants of same server_url, added support for calculations inside repeats, fixed issue with cascading select inside repeats
Merge pull request #174 from modilabs/master

media caching updated, logout links
Merge pull request #177 from modilabs/master

various fixes
Kumaran & Kiran | Added the missing parameter to form data controller constructor. Made save goBack to previous screen.
Merge pull request #531 from kirang20/master

Missed out changes in the previous pull request
fixes Dristhi build errors
moved kirang20 changes in storage_dristhi to js/src
rebuilt
css fix for date picker (should not affect dristhi)
rebuilt css
remove submission files from /tmp when OpenRosa server has returned a response, closes #520, Pearified
Merge pull request #181 from modilabs/master

plenty fixes, the main one is managing /tmp
reduce php logging for #508, PEARrification
ads added to previews
rebuilt
Merge pull request #183 from modilabs/master

ads, less php logging, php coding style improvements
added ad
added brand image
correction for form logo
rebuilt css