Branched code for non-ExtDirect version of mvc_extjs

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/mvc_extjs/branches/non_extdirect@45236 735d13b6-9817-0410-8766-e36946ffe9aa
[TASK] Raise requirements to TYPO3 4.6

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/mvc_extjs/branches/non_extdirect@54820 735d13b6-9817-0410-8766-e36946ffe9aa
[TASK] Remove code that does not belong to this branch

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/mvc_extjs/branches/non_extdirect@54997 735d13b6-9817-0410-8766-e36946ffe9aa