determine default language in XSL sheet and apply the 'active' class to the appropriate language strings & media labels, #333
added profiler
added branch classes to groups, repeats and non-radio/check inputs, remove support for relative node sets in groups and repeats
added/moved massive test forms
updated benchmark urls
branching performance optimized (up to 5x faster) #334, legend fix moved to XSLT #349,  language initialization improvements 'finished' #333
tests updated with new XSLT sheet
test form added
Merge branch 'master' of https://github.com/modilabs/enketo into client-performance

Conflicts:
	Code_Igniter/application/controllers/formtester.php
	src/scss/styles.scss
setting hints can be restricted to hints with outputs only, closes #352; output update, and setting languages sped up, #337, closes #333
css to hide branches on default to reduce browser painting, #335
removed caching of relevant expressions, closes #354
pre loaders no longer triggering events closes #353, changed order of initialization of FormHTML objects
added data type to preloader value, #353
move input element before label in XSLT instead of in JavaScript, closes #332
storage fix (after Chrome browser update changed Exception name thrown when localStorage is full
bit of cleanup, comment out profilers, resolve compilation warnings
correction
added more test forms
recompiled all the things