Add ofThread argument for tryJoin time.
Change sleep time to long, to match Poco methods.
ofThread overhaul, documentation. Example fixes.
Merge branch 'master' of github.com:bakercp/openFrameworks into enhancement-ofThread-join

Conflicts:
	examples/utils/threadExample/src/main.cpp
	examples/utils/threadExample/src/ofApp.cpp
	examples/utils/threadExample/src/ofApp.h
Const corrections, further docs and variable name changes.
Atomic, private member variables.
Cleanup.
Cleanup examples.
Merging changes.
Update documentation to proposed style.
Undoing cleanup.
Continued unclean up.
ofTrueTypeFont: fix spacing, kerning, hinting and clean code. Closes #2787
added methods to set min&max of a slider
Merge branch 'master' of git://github.com/openframeworks/openFrameworks into enhancement-ofThread-join
Attempting to match oF style.
dev doxygen.
Added description for getHeight()
Merge pull request #1 from mlsptn/master

Added description for getHeight()
Added documentation for ofDrawAxis()
Added descriptions for 10 functions

allocate, clear, clone, setUseTexture, isUsingTexture, getTextureReference, bind, unbind, loadImage, saveImage