Quotes Bug Fixes:
  Show page should have a button to email customer
    -card #38
    -https://trello.com/c/R6cf7gl7
  Taxable should always be checked by default
    -card #37
    -https://trello.com/c/VWFWzioK
  Quote show/print page should render full layout
    -card #36
    -https://trello.com/c/Z0zSJCEL
  Add shipping to quotes
    -card #45
    -https://trello.com/c/wLXEERaF
  Quote creation pricing shouldn't force use of integers
    -card #35
    -https://trello.com/c/QDMVa1k4

Minor wording changes
Merge branch 'develop' of https://github.com/AnnArborTees/softwear-crm into develop-david