fixing bug with all textinputs (#34)
Setting datepicker format to unambiguous ISO 8601 format.

Refer: https://github.com/iRessources/AgileDwarf/issues/72
setting sprints columns to have fixed height and overflow scroll
update sprint column to 700px high
Merge branch 'forissue-34' of https://github.com/brunojcm/AgileDwarf