Added a function to load all modules with a given method.
Made the option_default search use that new function.
Modified read access to the global $qa_modules variable to start hiding implementation details.
Simple readability change in the adsense plugin.
Minor IF statements corrections.
Replaced array access by variable access.
Removed string duplication in the attribution comment.
Moved the body_script to the bottom as it is a better practice.
Merge branch 'patch-12' of https://github.com/pupi1985/question2answer into pupi1985-patch-12
Rename qa_list_all_registered_modules_info() to qa_list_modules_info()
Revert body_script() placement; add control braces
Merge branch 'dev' of github.com:q2a/question2answer into dev