use img-polaroid lookalike for images
attempt to fix annoying shifting of feedTree elements while hover changes
remove some blue borders
Revert "use img-polaroid lookalike for images"

This reverts commit 7d61f11c768869806a352ea94550220cc2c144c0.
digest and mobile (old) moved to -contrib repository
move example plugins to -contrib
Fixing bugs found by static analysis
better fix for feedTree shifting
Merge pull request #180 from rlerdorf/master

Fix some bugs found by static analysis
auth_base: choose random password if not supplied by auth module
fix more hphp detected issues
subscribe_to_feed: use already fetched data when updating initially