[WIP] Changed config loader.
Merge branch 'master' into feature-plugin-system

Conflicts:
	n98-magerun.phar
[FEATURE] Added plugin system.
[BUGFIX] Check if defined module folder exists.
[BUGFIX] Check if defined module folder exists.
[FEATURE] Defined new plugin folders in home dir and magento project.
[FEATURE] Defined new plugin folders in home dir and magento project.
[TASK] Updated last changes file.

[ci skip]