update homebrew installation instructions
add an option to suggest changes to the lobbyists data

currently it just opens the standard feedback form
very generic try/except for the update process, to make sure one step doesn't make us skip the following steps
Merge branch 'master' of github.com:hasadna/Open-Knesset
Merge branch 'master' of https://github.com/hasadna/Open-Knesset into lobbyists-suggestions

Conflicts:
	locale/he/LC_MESSAGES/django.mo
	locale/he/LC_MESSAGES/django.po
updated translations
Merge pull request #241 from OriHoch/lobbyists-suggestions

Lobbyists - add on option to suggest changes to the data
Add party to VoteAction for agenda queries