* remove 'transate' property and ng-scopes
* use bigs (surprised flow did not catch this)
* fix dropdown not expanding -- switch to simpledropdown
* Don't use generics for no real reason
* Create Ether, Wei, and GWei types, and annotate.
Also contains refactors and UX improvements
1. clear previously generated rawTX/signedTx when changes to transaction inputs are made.
2. reset generated rawTx/signedTx while new generateTx is loading
* add toString helper method and use in place of .amount.toString()
* support optional base in toString helper method and use
* incorporate PR suggestions (destructure, resolve via callback)
* Generating transaction ,placing into read only textareas.
* Fix async wallet getAddress cases.
* Chain id from network
* remove leftover console log
* Check balance before generating transaction.
* Translate error msgs, check for invalid address.
* Errors for gas limit and gas price issues.
* relayout rpc code, start contract helper
* Dont ask for estimate if theres no value
* Split out conversion of ether to wei hex into lib function.
* big.js -> bignumber.js