Prep for branching 1.5

..We also have new pretty collname() method to get a colleciton
Mention how to compile enterprise driver
Add phpt templates for easier boilerplating and conistent tests
The templates live now in tests/templates/
Merge pull request #655 from bjori/readme-updates

Readme updates

* bjori/readme-updates:
  The templates live now in tests/templates/
  Add phpt templates for easier boilerplating and conistent tests
  Mention how to compile enterprise driver
  Prep for branching 1.5