introduce smarty_function_load_less:

- add CM_Asset_Css_File to be able to render single file
Extend only from single internal.php file
Check if file exists
change app-time to UTC
Revert "Merge pull request #1305 from vogdb/issue-1305"

This reverts commit 126afb871f7b063cdf75fc9e31f5e84a72570ead, reversing
changes made to ff7048a9f201e3520983c40ed2b632f2ccb3731d.
Merge pull request #1508 from vogdb/issue-1508

Revert "Use html5 date input for CM_FormField_Date?"
Make adprovider zone configuration site specific
Do not store internal.php in vcs, create internal config on test run
Ignore internal.js
Add test for Request::isSupported, more dynamic regexp
Detect full version number for MSIE
Set "Android 2.3" as unsupported browser
Disallow opera mini
Fix method name
Make Log::_add more robust
Streamline metaInfo handling in error logs
Rename default metaInfo getter
Add fqdn to log metaInfo
Reformat field comments in request
Introduce getter for original request's URI