0.4-devel templates

* Added internal custom post type ( 'custom-sections' )
* Added template functionality to use custom templates for output
* Added template selection in widget
* Fixed settings menu name
* Fixed show only published sections in widget

Conflicts:
	admin/widget-options.php
	classes/class-custom-sections-widget.php
	classes/class-custom-sections.php
	init.php
	readme.txt