Merge pull request #246 from lmccart/master

fixing formatting for ofGetTimestampString() closes #245
Addons now list all classes in a directory
Added handling for function-only classes
Merge pull request #247 from workergnome/addons_github_fix

Fix for github links to add ons: resolves issue #238
Update Raspberry-Pi-Getting-Started.html.mako

upped the CPU RAM requirements to 192MB
Merge pull request #248 from jvcleave/patch-5

Update Raspberry-Pi-Getting-Started.html.mako
Update ofTexture.markdown

I think this is a typo, "us" should be "use"?
Merge pull request #249 from CorpusCallosum/patch-2

Update ofTexture.markdown
Add ofEnablePointSprites and ofDisablePointSprites description
Merge pull request #250 from hiz1/patch-5

Add ofEnablePointSprites and ofDisablePointSprites description
Copy description from ofToDataPath(path, absolute) to ofToDataPath(path, absolute = false)

The function ofToDataPath(path, absolute) is deleted.
Merge pull request #252 from hiz1/patch-6

Copy description from ofToDataPath(path, absolute) to ofToDataPath(path,...
head.mako remove css parameter
header.mako: update forum url
home.js point to new forum rss
fixing forum on mainpage closes #253