bugfix -> correct wrong declaration of variable name
When hideLabel is set than take the full width on input, textarea and select in mobileVersion
Dont override form widths in Desktop-version
don't reset zend cache for simplestatic, that doesn't exist anymore
gzip media output if mimeType is application/json
only replace remote address if it's set to specific value

avoids spoofing the header if request comes not from load balancer
fix XSS issue in AutoGrids, use htmlEncode renderer by default
update-downloader: keep config_section file if exists
use correct server variable to get request url