Fix wrong path of repository
Update Wiki20 tutorial to TG2.2 and try to make it easier to follow and faster to read by hightlighting code and reducing parts that are more advanced or pure web developemnt/python related
Update doc to deprecated pylons ns
Fix more references to pylons.c
Updating version number for release and final testing purposes.
Fixing references to the wrong package index before pushing.
Merge branch 'next'
Preparing for 2.2.2 release.