Fixed template link for password reset
Fixed password reset template
Fixed field validation bugs

Fixes #117
Fixed help message display in Map filter form

Fixes #119
Add num_locations field to project API response

Fixes #118
Cleaned project manager from legacy code
0 as min or max value can be submitted to numeric fields

Fixes #123
URL validation according to django settings

Fixes #121
DateTime picker now handles 24h times

Fixes #120
Simple stats page for projects
Cleaned up legacy code

Removed everything that’s related to displaying contributions in the
back-end
Define created_at filters
Added min and max creation date to map overview page
Filter for creation date of observations
New contributions are automatically pending now
Display nil values on fields table
Fixed min and max value for fields

Minimum value must be lower that maximum value and vice versa.
Form field verification for rule creation
Form field verification when editing rules
Field validation for date-time fields