Merge pull request #3 from kdambekalns/fixes-t3home13

[TASK] Cleanup to docblocks and code
Merge remote-tracking branch 'sandstorm/master' into standalone-addedbackends
[FEATURE] Add profiling for Neos
[TASK] Convert Index.rst to README.md
[FEATURE] Allow profiling via "Profile" annotation

Using the "Profile" annotation will track the time spent in the
annotated method using a separate timer.
[TASK] Make core classes independent of TYPO3 Flow again

This change makes the core classes (Profiler, ProfilingRun) usable
without Flow, so the package can be used with the TYPO3 CMS Plumber
extension.