[FEATURE] Change option disableUpdateCheck to enableUpdateCheck

And set default to "disabled".

Relates: #62308
Change-Id: I361fa645f0660ffde446069929e652948751dc76
Reviewed-on: http://review.typo3.org/33363
Reviewed-by: Armin Ruediger Vieweg <armin@v.ieweg.de>
Tested-by: Armin Ruediger Vieweg <armin@v.ieweg.de>
[TASK] Raise version to 0.11.5

Change-Id: I7e89d1b25f86ca8f0a5db74cf881ceb369f721e7
Reviewed-on: http://review.typo3.org/33364
Reviewed-by: Armin Ruediger Vieweg <armin@v.ieweg.de>
Tested-by: Armin Ruediger Vieweg <armin@v.ieweg.de>