Add extra parameters to mod::php
Fixed travis by updating Gemfile to pin Rake to 10.1.1

The latest Rake update requires Ruby >= 1.9. This update
fixes the failing 1.8.7 tests by pinning Rake to the last
supported version on ruby 1.8.7.
rename package param, add tests and documentation
Merge pull request #685 from blkperl/fix_rake_18

Fixed travis by updating Gemfile to pin Rake to 10.1.1
Merge pull request #684 from oxilion/php-parameters

Add extra parameters to mod::php