Added function to remove path aliases on deleting fse entities of type 'vhost'.
Change order: first delete path alias before deleting entity.
Made some coding standard measures.
Change autocomplete widgets into selectboxes.
Replaced widget for db-server.
Removed some lines of commentaries.
Added function to display/hide field solr_path.
Set fields solr_usr and solr_pw as required.
Commenting out helper functions which prepoulate field values in hook_submit().
Changed order of fields: move automatic prepopulated fields to the end of section.
Added empty lines of code.
Replaced all occurences of ['und'] through [LANGUAGE_NONE].
Implementend an empty module container which checks while installation if external module dependencies are given.
Merge branch '47-entity-reference-field-widgets-as-selectboxes' into dev

Conflicts:
	fse.field_instance.inc
Added first steps to implement fse entity of type 'user-settings'.
Implementent validation of user given values.
Finalized ticket of moving local-settings into an entity of user.