less 7.x-2.5

Issue #1246308: Compiled CSS files must be stored under public:// for anonymous user access. by corey.aufang, pillarsdotnet: Change directory to public:// not file_default_scheme().

Issue #1398498: Report lessphp version number by corey.aufang, marcvangend, attiks: Display lessphp version number on drupal status report.

Issue #753714: lessphp license? by corey.aufang, cweagans: unbundled lessphp library from module.

Issue #1347258: Race condition by corey.aufang, chx, Jeremy: Changed method for less file regeneration to avoid race condition.

Issue #1421044: move hook_requirements to .install by corey.aufang, pillarsdotnet: Created .install file and moved appropriate functions to it from .module.