Clean up documentation of ofImage member variables.
Clean up grammar and spacing for ofThread.
Fix doxygen format.
Further cleanup and clarification of ofImage documentation.
Merge pull request #2970 from bakercp/documentation-typos

Incremental Documentation Cleanup and Typo Correction
Revert "add ability to query current orientation matrix state"

This reverts commit e8da01f8fc548b17094f860d8d604f939b36c36c.
add ofGetCurrentOrientationMatrix()

* extend api, add change log entry
add default implementation to base renderer
add implementation for glRenderer
add implementation for Programmable GL renderer
Merge pull request #2972 from tgfrerer/fix-unhandled-matrix-enums

Fix unhandled matrix enums
regression on ofLaunchBrowser from documentation drive
fix incorrect signature for ofGetTimestampString
Merge pull request #2977 from admsyn/fix-timestamp-string-signature

fix incorrect signature for ofGetTimestampString