correct test instructions
add missing comma to README
pass on generator behavior to sub generators
html editor: enable email link option by default

fixes #163
use jquery promise for save action
generators: changes notice of Airbrake, Honeybadger and NewRelic
adds missing comma
bugfix: pass options to sub generator

fixes #161
bugfix: return the correct latest version for all gems

fixes #170
generator: attributes: replaces various link list attributes by reference or reference list
editing helper for reference and referencelist