rewrite ofToDataPath and associated functions to use Poco::Path
default working directory is now set at app start rather than in folder operations
cleaned ofSetWorkingDirectoryToDefault
resolve deviations in cwd. keep relative paths
fixed issue when input path to ofToDataPath already includes data path
fixed lame bug with absolute paths
updated comments of ofToDataPath
updated comments of ofToDataPath
fixed possible issue with blank datapaths when stripping trailing slash in ofToDataPath
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