#151 added 'class-' to auto-loading
#151 refactored plugin structure
#151 fixed class names in strings
#151 whitespace fixes
Merge pull request #158 from laterpay/feature/151_wp_coding_standards

#151 refactored plugin structure
Merge branch 'master' into feature/75_only_modify_the_title_of_single_posts

Conflicts:
	laterpay/library/laterpay/LaterPay/Controller/Post/Content.php
#75 did_action seems to do the trick of only rendering ONE purchase button per page