[models:law] Fixed misused async behavior when voting. Closes #394.
[models:law] Removed callback undefined check. Related to #394.
[models:law] Voting made async and UI blocks when user clicks on voting buttons. Closes #394.
[models:law] Fix callback handling on voting. Related to #394.
Removed laws-phase-two directory.
[proposal-options] Updated i18n keys. Related to #394.
Merge branch 'development' into 394-votes-count

Conflicts:
	lib/models/law.js
	lib/proposal-options/proposal-options.js
Merge pull request #489 from DemocracyOS/394-votes-count

[models:law] Fixed misused async behavior when voting. Closes #394.