added file upload/removal on purchases
Merge pull request #127 from Useful-Innovation/johans-fixes

added file upload/removal on purchases
Changed some code to Laravel syntax
Merge pull request #128 from Useful-Innovation/changes

Changed some code to Laravel syntax
delete project now deletes all purchases too
Merge pull request #129 from Useful-Innovation/johans-fixes

delete project now deletes all purchases too
show offer on purchase now works
Merge pull request #130 from Useful-Innovation/johans-fixes

show offer on purchase now works