External trigger committee addresses should shift to blockchain

[vivekteega]

Current external trigger committee address is part of the config.ini file. This has to be moved such that the committee address is fetched from the blockchain

[vivekteega]

Commit - 528223f

Shifted the committee address to external trigger. The app will have an Admin FLO ID which can add or remove committee members for the smart contracts

[vivekteega]

Remaining issues

• e599caa - Contract committee list calculation should only consider transactions whose input address is the admin FLO address
• acffba0 - Add functionality to remove a committee member from the list based on the time. Its possible that a committee member provided the right triggers for x number of contract before going rogue. Removal of the committee member after going rogue should not affect the previous contract's results