rpc methods: added logic for generating RPC model form, modal view, template... This version does not contain form processing, refs #1197
rpc: processing form post, generating XML for edit-config (not working yet)
JS: remove overflow-y scroll if it is not necessary (content is not enough tall), fixes #13
Merge branch 'master' into rpcMethod

Conflicts:
	src/FIT/NetopeerBundle/Resources/public/js/default.js
	src/FIT/NetopeerBundle/Resources/public/sass/screen.scss
	src/FIT/NetopeerBundle/Resources/public/style/screen.css
	src/FIT/NetopeerBundle/Resources/views/layout.html.twig
rpc: XML request for rpc invocation corrected
rpc: send RPC invocation with type MSG_GENERIC
userrpc with identityref (toaster: toastType)
rpc: auto ajax form submit, after that modal window hides
Merge branch 'rpcMethod'