Merge pull request #1 from openframeworks/master

update openframeworks
Merge pull request #3 from openframeworks/master

update openframeworks
Merge pull request #5 from openframeworks/master

update openframeworks
Merge pull request #7 from openframeworks/master

update openframeworks
Merge pull request #9 from openframeworks/master

update openframeworks
Merge pull request #12 from openframeworks/master

update openframeworks
Merge pull request #14 from openframeworks/master

update openframeworks
Merge pull request #16 from openframeworks/master

update openframeworks
Merge pull request #18 from openframeworks/master

update openframeworks
Merge pull request #20 from openframeworks/master

update openframeworks
why?