Make sure we redirect quit after redirecting to installer #684

This avoids Kohana throwing errors about database.php missing when trying
to reinstall
Set file permission on .htaccess to 644 #664

Nothing needs exec permissions by default
Fix indenting on installer finish page .. done with #684
Make installer default to next button #663

* If user hits return/enter in a form field during install
  it will now go to next not previous step
* Also make entire box clickable on first screen of installer
  not just the buttons.
Make sure we redirect quit after redirecting to installer #684

This avoids Kohana throwing errors about database.php missing when trying
to reinstall
Merge branch 'v2.5b' into develop
Fix reports::fetch_incidents() unit test #625

Behaviour changed to user LEFT join instead of INNER. Test updated to match
Merge branch 'v2.5b' into develop
Closes #611. Fix sharing plugin to work with Ushahidi.js. Thanks @ekala
Merge branch 'v2.5b' of https://github.com/ushahidi/Ushahidi_Web into v2.5b
Merge branch 'develop' of https://github.com/ushahidi/Ushahidi_Web into develop
Related to #611 based on changes to functions in json controller.
Added support for JSONP to allow cross domain interaction. Closes #221

Signed-off-by: Linda Kamau <kamaulynder@gmail.com>
Add features to version API response #291

Rough feature list to cover recent changes
Merge branch 'develop' of git://github.com/ushahidi/Ushahidi_Web into develop
Closes #690 Encoding hashtags for the Twitter Search GET request. Without it, UTF-8 hashtags inconsistently work.
Remove hardcoded http in sharing plugin #689

* Remove unused Sharing library #610
* Sharing URL should now contain http or https in the DB
  This is so that shared deployments can be pulled in via HTTPs.
  Pulling http sites could be a security risk.
* Add sharing helper for clean_url function
Merge branch 'develop' of git://github.com/ushahidi/Ushahidi_Web into develop
Closes #611. Fix sharing plugin to work with Ushahidi.js. Thanks @ekala
Closes #658 . File referencing error fixed.