Fix how erb binary is resolved. Using util/util-scl packages instead of doing it dynamically in code.
Separating manifest into RHEL and Fedora versions instead of using sed to set version.
Merge pull request #1860 from kraman/php_v2

PHP V2 cartridge fixes
WIP Cartridge Refactor - support for git submodules and template url

* Add support for git submodules and tests
* pull template git repository from an url
* Cleanup runtime/repo before deploy