Intial refactor of send pane

- Breaks send pane into 3 different templates (send form, confirm, result)
- Adds SendController as a parent scope for all three
- Adds SendFormController as the controller for send form
Merge branch 'multi-currency' into refactor-send-pane
Style multi currency
setting up basic structure
Change currencys to strings
Merge branch 'refactor-send-pane' of https://github.com/stellar/stellar-client into winnie-style-send

Conflicts:
	app/templates/send-form.html
send pane: change select to type-able drop down
Merge pull request #693 from stellar/winnie-style-send

Styling the basic structure send pane
Add destination tag

- prevent showing paths until deps are resolved
for the currency dropdown to work correctly
styling destination tag
add send_max to tx
styling currency boxes and confirmation screen
Merge pull request #694 from stellar/winnie-style-send

style currency dropdown, box & confirmation
specific class for currency issuers with wordbreak
Add path status box and an error
Merge pull request #696 from stellar/fix-issuer-overflow

specific class for currency issuers with wordbreak
Add path status
Remove height
Adding wallet addr found