fixing attribute bug in ofXml
got some changes from ofLight rewrite in there
Merge pull request #2459 from joshuajnoble/develop

allowing ofXml get attribute to work with paths && non-paths.
updated readme to reflect ofxKinect being part of the OF core; added ofxKinect to .gitignore includes
Merge remote-tracking branch 'upstream/master'
ofxKinect readme typo fixes
Merge pull request #2462 from danomatika/master

updated ofxKinect readme & added ofxKinect to .gitignore addon includes