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
trying to get setMultiDisplayFullscreen() working better on OSX
cleaned up a bit
tabs vs spaces, comments
clearer syntax
get rid of unused vars
merged changes to ofToDataPath using poco into current develop branch
ofFbo: fix vector allocation using reserve instead of resize. Cloese #2261
Merge branch 'develop' of https://github.com/openframeworks/openFrameworks.git into develop
ofFbo, ofLight: fix gpu memory leak on = operator
fixes an isssue with a leftover color_coord shader attribute in defaultvertexshader

these were changed to "color,"  which was overlooked in one shader.

Signed-off-by: tgfrerer <tim@poniesandlight.co.uk>
Merge pull request #2262 from tgfrerer/fix-color_coord-leftover

fixes an isssue with a leftover color_coord shader attribute