pretty massive re-organization of sass, various fixes including height of .side-bar and .main set with css instead of js, one consistent form-header for all themes
do not included unused bootstrap css modules
prepare for sass sourcemaps
edited text
added settings dependency to performance monitoring module
various feedback bar improvements, closes #245
side slider styling tweaks
added failed attempt to test save controller functions in case I want to try again later
Merge branch 'css_reorganization' of https://github.com/MartijnR/enketo