Cleanup commented code
Cleanup old test code accessing deleted class ...
Pack all regexp in one before call URL:buildReverse
Fix URL building when they have cascading 'sub' in urls definition
Add \photon\path\Dir::getIncludePath to safely get include paths. Fix locale loading from phar
Remove direct call to get_include_path
Add composer support

Do not declare autoloader in composer because photon declare it itself when start a project
Auto include the composer autoloader for third party code
Mail & Mail_mime are marked as suggested
Phar have a dedicated pharstub when using --composer in the "package" command
Allow EMail to be send from another email libs, without compatibility break.

Add a interface for basic email support \photon\mail\EMailInterface
Create a PEAR\mail backend with the historical mail code and mark it as default.
Merge branch 'feature.composer' into develop