add project and organization detail json backend
add ecofunds/static to gitignore
Enable single project/organization map selection
Fix investment admin project required validation
Update custom.css
Merge pull request #62 from ecofunds/investments-projects-null-=-true

Update custom.css
Merge branch 'feature/detail_json' of https://github.com/ecofunds/ecofunds into feature/detail_json
Merge branch 'feature/detail_json'