config.addons.mk: fix addon dependencies
config.addons.mk: fix messages on dependencies
ofBuffer: fix iterators to omit last null character. Closes #3225
Fix ofImage memory leak.
config.addons.mk: parse file system first then config + fix exclusions
Merge pull request #3250 from bakercp/bugfix-ofImageMemoryLeak

Fix ofImage memory leak.
makefiles: fixes addons special cases
Merge branch 'master' of github.com:openframeworks/openFrameworks
makefile: fix for addons
Merge branch 'master' of https://github.com/openframeworks/openFrameworks into ofSketch-develop