Merge pull request #1 from jarednova/master

Pull from jarednova:master
phpdoc
Abstracted transient locking methods and added unit tests for transient locks and the $force param (#195)
Merged tests for transient helper from 945e1da9443f375395f6664d37d14eaa208a500a with those in master (see #195)
Moved URL-specific functions into their own helper class; re-linked functions as necessary
Moved letterbox functions into TimberImageHelper, wrote some fun tests
Wrote tests to confirm letterbox functionality
removed some junk and added test for transparent image
Merge: result of auto merge
Merge: cleaned-up merge in functions-twig
Merge: resolved conflicts in timber-image-helper
Merge: resolved conflicts in timber-helper
moved rest of phpdocs comments into respective helper files
resolved conflict in timber-image.php
Merge: resolved conflict in timber-image.php
Merge: resolved conflict in timber-post.php
resolved errors in tests from TimberImageHelper::hexrgb
Simplified TimberHelper::get_comment_form to use internal ob_function; wrote test for such function
Turns out 3.5.1 has difft HTML for comment form, so simplifying test
remove extra hexrgb function from twig file; now located in TimberImageHelper