Use underscore for fade template
- remove mustache from dependencies (no need for it anymore)
- add underscore dep
update script for new user password hashing
the new hashing algo needs more chars
Merge commit 'Use underscore for fade template' pull request into 3.8

Conflicts:
	composer.json
don't try to load icc profiles from libraryPath, that doesn't exist anymore since 3.8

instead copy the two used icc profiles into kwf
remove library path, not used anymore
use node-sass for compiling scss files

this allows easier installation as it will be automated by npm
(no manually compiling of sassc is required)

also use a customized version of susyone where not operator is replaced with not() function