fixed issue with CLI and added more flattener commands

updated 2.0.0

Fix linter errors (PolymathNetwork#385)

* Fixed linter erros: no-constant, quotes, visibility-first, operator-whitespace, indentation

* Fixed linter erros: exclude IMedianizer and OraclizeI, turn off "security/no-block-members"

* Fixed linter erros: max-len

* Fixed linter erros: minor fix after merge

* Fixed linter erros: added comments "solium-disable-next-line" for security/no-inline-assembly, security/no-call-value, security/no-low-level-calls, security/no-send, no-empty-blocks

* Fixed linter erros: max-len

* Fixed linter erros: added /*solium-disable-next-line security/no-block-members*/

* Fixed linter erros: fix missed errors

* Fixed linter erros: error-reason

* Fixed linter erros: reverted adding error reasons since it introduces "out of gas" errors for ERC20DividendCheckpoint, EtherDividendCheckpoint, ModuleFactory, SecurityToken

* Fixed linter erros: applied review comments

* minor styling problem fixing

* minor fixes

Fix linter errors (PolymathNetwork#385)

* Fixed linter erros: no-constant, quotes, visibility-first, operator-whitespace, indentation

* Fixed linter erros: exclude IMedianizer and OraclizeI, turn off "security/no-block-members"

* Fixed linter erros: max-len

* Fixed linter erros: minor fix after merge

* Fixed linter erros: added comments "solium-disable-next-line" for security/no-inline-assembly, security/no-call-value, security/no-low-level-calls, security/no-send, no-empty-blocks

* Fixed linter erros: max-len

* Fixed linter erros: added /*solium-disable-next-line security/no-block-members*/

* Fixed linter erros: fix missed errors

* Fixed linter erros: error-reason

* Fixed linter erros: reverted adding error reasons since it introduces "out of gas" errors for ERC20DividendCheckpoint, EtherDividendCheckpoint, ModuleFactory, SecurityToken

* Fixed linter erros: applied review comments

* minor styling problem fixing

* minor fixes

Merge pull request PolymathNetwork#319 from PolymathNetwork/migrate-fix

Migrate fix

adjusted mainnet migration gas price

adjusted mainnet migration gas price

1.4.0

changed Kovan PolyTokenFaucet address for CLI

updated PolyTokenFaucet on Kovan