signature verification shell script, related fixes
Support for party list group counting

Each party list is assigned a group number.
Valid votes can select candidates across party lists,
as long as the party lists' group number remains the same.
Store group option in election questions
Admin helper election url

allow superadmins to change the election voting end time. But only for
election they created.
Proper group set in election questions metadata
Merge branch 'develop'
Counting min/max choices per party fix

Limiting questions is currently applied in party selections and not per
party group. The fix changes the counting validation in order to check
limits based on party selections count against party min/max options.
enhance group counting, make it optional