Merge pull request #6 from colinmollenhour/apc-check

Improve APC mode.
Fixed AOEmedia/Aoe_ClassPathCache#9
- replaced foreach by include paths with stream_resolve_include_path() call in Varien_Autoload::searchFullPath()
Merge pull request #11 from Zyava/stream_resolve_include_path

Fixed AOEmedia/Aoe_ClassPathCache#9
replaced foreach by include paths with stream_resolve_include_path() call in Varien_Autoload::searchFullPath()
Reverting 41baaed38c77edfd0a4ae169cecbec0707105d3d because it broke the code
Merged Paul Hachmang's patch 09c005b7aa14fe92dfb4e8731327af0216136a14
Update Autoload.php

If somebody turns on compiler in EE 1.13.0.2 a warning will stop compiler process. A new constant "SCOPE_FILE_PREFIX" introduced in Varien_Autoload is missing.
I know that with classpath cache module there is no need for compiler...
Added revalidate mode triggered by file
Remove tmp file on failed rename (prevent filling disk with tmp files).
Refs #7