Removing trailing whitespace from php quickstart.
Whitespace.
Revamping the intro.
Updating install docs!
Removing outdated docs.
Updating app creation docs!
Adding account creation bit.
Removing old docs.
Removing search section from PHP guide for now.

Need help with it.
Merge remote-tracking branch 'origin/new-quickstarts' into new-quickstarts

* origin/new-quickstarts:
  alex's draft of Ruby
  small fix to python quickstart