Added HHVM to travis configuration
Updated travis setup script to not install extensions with the hhvm system.
Travis CI Test

I need to see what this outputs on travis for the various versions of
php, especially hhvm.
Taking a stab at hhvm support on the test suite
Basg syntax fix
More bash syntax fun
Bash difference in OSX and Ubuntu
Moved phpenv setup out of main travis config and into the setup script itself
Added default timezone to phpunit bootstrap file
Removed unneeded argument
Check for APCIterator in case we're running with HHVM
Fixed a bug in the APC Driver where the max ttl was always being used
Resolving conflict