ofFbo modifications to ease the use of Multiple Rendering Targets
Changed 'protected' to 'private'.
added MRT-specific allocateMrt() function
protected to private
Added specific allocation function ofFbo::allocateMrt() for Multiple Rendering Targets
Added support for multiple color formats in ofFbo::Settings
Added OF_DEPRECATED_MSG to internalFormat and numColorbuffers
Changes for backward compatibility
Minor misspelling corrected

From "internalFormat" to "internalformat"
renamed QuaternionArcballExample, QuaternionLatLonExample, & GPUParticleSystemExample to start with lower case to match all other example naming; renamed simleEventsExample circle class filenames to begin with upper case; videoGraberExample now tries to open cam 0
ofxSimpleSlider now removes event listeners in destructor
renamed simpleEventsExampel circle class to upper case, Circle class now removes event listeners in destructor
threadedImageLoaderExample now stops thread on exit
alphaMaskingShaderExample no longer resizes window to fit image
vboExample & floatingPointImageExample mesh/vertex helper functions promoted to member functions in testApp
imageLoaderWebExample now stops thread on exit
systemSpeakExample now stops thread on exit
fixed bitmapstring typo & some formatting in osxVideoRecorderExample
changed cout to ofLogNotice in firmataExample
replace cout with ofLogNotice & formatting cleanups in windowExample