… from truffle migrate process

Now able to run `truffle migrate --reset -f <number for migration
script>`

NOTE: This will run the subsequent migrations files after the number.

Able to deploy and run successful unit tests for contracts

… coins to USDx and vice-versa.

Add fee params per asset for stable swap contract; add natspec

…oth directions.

…re ~130K gas

…contract

… gas use in test for FeesApply contract

Fees apply optimization changes

apply optimization changes for other contracts

…tion

Fees apply solidity version migration

Fees apply

Fees apply dev proxy

Fees apply

Fees apply

Update compiler settings