Adding query for lock and free a volunteers bulk
added session id to volunteer model
Adding query for lock and free a volunteers bulk
added session id to volunteer model
Added session id
Merge branch 'master' of https://github.com/somero/lev-ehad

Conflicts:
	db/schema.rb
Added allocation of volunteers and freeing to Yossi and Kushnir's control
Adding UpMin admin view
Changing amount to requesting_amount in the request form
Merge pull request #4 from somero/master

Added query for allocating volunteers