Merge remote-tracking branch 'upstream/develop' into develop-dh-date-range
Merge remote-tracking branch 'upstream/develop' into develop-dh-date-range
Merge remote-tracking branch 'upstream/develop' into develop-dh-date-range
Merge remote-tracking branch 'upstream/develop' into develop-dh-date-range
Removed a second/unnecessary variable initialization and fixed a comment
Merge upstream branch
Merge upstream/branch
Merge branch 'develop' of github.com:EllisLab/CodeIgniter into develop-dh-date-range
Remove PHP 5.1 dependancy check
Merge upstream branch
Remove access description comment
Merge upstream branch
Merge branch 'develop' of github.com:EllisLab/CodeIgniter into develop-dh-date-range
Add mobile detection to robot user agents.
Merge branch 'develop' of https://github.com/EllisLab/CodeIgniter into feature/form_error_msgs

Conflicts:
	system/language/english/form_validation_lang.php
Fix a merge oopsie in the language file.
Combine this feature with Fix Issue #935 in another pull request.
Merge upstream branch
Merge branch 'develop' of github.com:EllisLab/CodeIgniter into develop-dh-date-range
added parameter for returned-path in Email::from()