Prices Bug Fixes:
  Fix Delete All Prices not working properly
Style: Removed extra lines
Fixed style: Added space between ){ making it ) {
style updates
coding style updates
Style fixes
Style fixes
Fixed line item incompatibility with quotes
Quote Bug Fixes:
  error with 1 quote line item would remove all line items
  quote creation invalid data error

Changes:
  add greater than zero validator
  add close error modal helper function
  line items not enforce quantity to be greater than zero
Merge branch 'develop' of https://github.com/AnnArborTees/softwear-crm into develop-david