STAT-81 Database Limiting

Change to 1 billion initial supply of EOS.

Fix for accidental abi change. #702

Fix typo

Automated abi generation

change 'seemlessly' to 'seamlessly'

Fix test script variable name.

* Fix currency.abi / exchange.abi / proxi.abi

* Fix function name generation in codegen
* Change eoscpp switch name

  Now we use the folder of the header file where the type is defined as the root context.
  Types declared in header files located in child sub-folders will also be exported.
* Code generator now complies with the new coding standard.
* Fix contract annotations.
* Fix simpledb / Use the generated functions to deserialize/dump messages.
* Add optional flag to eoscpp generate-abi command to also generate serialization helper functions for the types defined in the ABI file.
* Fix abi_tests.

* Remove the "@abi type" annotation support, now typedefs are automatically included when needed
* Add ABI annotations to proxy contract types
* Fix ABI generation tests
* Fix travis call to tests
* Fix exchange typedef declaration

Ref #535

* Add typedef support
* Add more tests to abi_generator lib
* Use EOSLIB enviroment variable when running chain_test (travis)
* Fix exchange contract anotations

Ref #535

* Add first tests

Ref #535

Revert change in currency.abi (amount->quantity)

Remove abi_generator from the build process, leave it as a stand alone tool to later integrate with eoscpp