Some fixes and added GetSeedForUUID API for hub server

• Added GetSeedForUUID API
• Some minor fixes

Various fixes and Bazel 1.2.1 compatability

• Bazel 1.2.1 compatible
• Local pow
• Recover Funds
• Sweeps

RecoverFunds - integrate bundle miner and fixes

• Introduce bundle_miner to allow less vulnerable address reuse via "RecoverFunds" command
• Fix "RecoverFunds" as it was buggy

REST API

• RecoverFunds command (same use case like SignBundle without need to create the bundle, easier to use
  with less control)
• REST API implementation - Hub is now operating both on GRPC (default) and REST depends on user configuration

Https support

This version introduces https connection with IRI node
by specifying the --useHttpsIRI flag

v1.2.0

• New grpc command wasWithdrawalCancelled
• Add message column in user_address_balance
• populate all fields of request in getUserHistory

v1.1.0

• GetStat implementation
• Allow filter records by date (GetUserHistory)
• Bug fixes
• Safer withdrawal, check that user provided address wasn't spent upon request