testsendtxn

* fix: Fix bugs while enabling value transfer

*  Remove unused plugin

* feat: Implement value web api & client library (#438)

* feat: Implement value api: Attachment

* feat: Implement value api: UnspentOutputs

* feat: Implement value api: transactionByID

* feat: Implement client lib & value api: sendTransaction

* fix: minor tweak

* fix: minor fix

* refactor: Refactor sendTransaction api

* Refactor: Fix 

* refactor: Fix 

* refactor: Rename api route of testSendTxn to camel case

* fix: Fix bugs in webapi

* Release object storage after retreiving it
* Handle IOTA color specifically

* refactor: Add balances in unspentOutput api

* Fix entry node disabled plugins for integration tests

* Fix grpc server nil

*  Fix FPC round initiator

*  Fix backgroundWorker name

*  Adjust imports order

* Wait for autopeering when node starts

* Fix background worker name conflict with message tangle

*  Use Voter()

* 

 Re-fix ValueTangle BackgroundWorker name

Co-authored-by: capossele <angelocapossele@gmail.com>
Co-authored-by: jonastheis <mail@jonastheis.de>