Log Message:
Update typo3_46 to 4.6.15.

Fixed some regression of previous release.

2012-11-12  6b2534d                  [RELEASE] Release of TYPO3 4.6.15 (TYPO3 \ 
Release Team)
2012-11-12  f9f79d8                  [TASK] Raise submodule pointer (TYPO3 \ 
Release Team)
2012-11-12  00f7f89                  [TASK] Raise version numbers of system \ 
extensions (Steffen Ritter)
2012-11-11  99fefa4  #42850          [TASK] Fix TYPO3 logos (Helmut Hummel)
2012-11-10  0e6c1de  #42812          [BUGFIX] getFuncCheck must quotes wrong \ 
(Michael Späth)