Only admins or channels can destroy a project
Calculate contributions' net value taking out fee when appropriate

Method rename to reflect better its meaning.
Remove moip references
Refactor project observer specs
Merge pull request #485 from neighborly/im-contribution-net-value

Calculate contributions' net value taking out fee when appropriate
Merge pull request #483 from neighborly/jl-fix-destroy-project-policy

Only admins or channels can destroy a project
Merge pull request #491 from neighborly/jl-remove-moip

Remove moip references
Rename referal_link to referral_url
Merge pull request #492 from neighborly/jl-rename-referal-link

Rename referal_link to referral_url
Rename more_links to more_urls
Merge pull request #493 from neighborly/jl-rename-more-links

Rename more_links to more_urls
Merge pull request #494 from neighborly/jl-refactor-project-observer

Refactor project observer specs
Allow deletion of users

Users with contributions, matches, payouts, projects or owner of channels
are still impossible to delete (following database constraints).
Merge pull request #486 from neighborly/im-allow-deletion-of-users

Allow deletion of users
Update db structure.sql
Update API and Dashboard versions
Update Neighbor.ly API version
Add active filter to discover page
Rename discover filter to state
Fix list style with paragraph