Merge pull request #151 from lucifer4o/master

PHP Authentication
Merge pull request #152 from lucifer4o/master

Created ITERATION option.
expand doc of Friends
Support data plugins. HEADS UP!
	dbschema changes
	settings.py file changes
add new settings (data_plugins)
add description of new plugin system
add db example
Add support for triggers (plugins which don't return values) as well as PUBlish within plugins
add a bit of clarification
Add links to apps
Merge pull request #161 from ioc32/master

Add links to apps
Merge pull request #1 from binarybucks/master

Syncing with master