Merge pull request #29 from JavierCane/devel

Validate email regex used in the Filter class improved
SphinxQL improvements
* Prepared statements
* Some debug changes
Corrected documentation in Debug
Add SphinxQL queries errors in debug summary.
SphinxQL options
* Added setOptions to append OPTION clause to queries
* Improved backtrace in debug
- Bugfix: add return after setting redirection headers. Previously it was dispatching error controller, sending empty error template contents with redirect.
- Small refactor on Benchmark getInstance.
SphinxQL call snippets fix
Delete unexisting repo Facebook
Changed Facebook submodule location
Merge branch 'master' into devel

* master:
  Changed Facebook submodule location
  Delete unexisting repo Facebook
Update README.md
Merge pull request #30 from alombarte/master

Update README.md
Fix undefined index in Sphinxql debug.
Fix undefined index in Sphinxql debug TPL
Unnecessary creation of objects when using cache Autodiscover type
Fix Total Time execution in debug.
Include_once on I18N for locale files doesn't allow more than one call to the same language with bindTextDomain
Add support to RT indexes in SphinxQL: INSERT, DELETE, REPLACE operations support.
DEV-000 Notice developer through a trigger_error about unintentional 'action' genurl function parameter override if he doesn't specify a valid value.