apc_add(Array) returns an array of errors

Summary: That array is formed `key=>error number`. Currently there is only -1 for an insertion error
Closes https://github.com/facebook/hhvm/pull/3423

Reviewed By: @ptarjan

Differential Revision: D1488962

Pulled By: svcscm
fix Redis lrem can remove type is string or float

Summary: Fix Redis lrem don't remove in addition to Long value,

Specific content see:

https://github.com/facebook/hhvm/issues/3452
Closes https://github.com/facebook/hhvm/pull/3453

Reviewed By: @ptarjan

Differential Revision: D1494809

Pulled By: svcscm