To do #989
User story #988: Allow decimal hours on Sprint effort
Change effort field to float on SprintEffort model
- Added migration file to change effort field from integer to float in sprint_efforts table.
- Resize field in Sprint efforts edition form to fit float numbers.
git-svn-id: https://svn.ociotec.com/Software/Web/Redmine/plugins/scrum/trunk@1768 1633e602-76eb-4acd-8a1c-850ebfcfe024