Remove tx from AlreadyAskedFor list once we receive it, not when we process it.
[Qt] add all used colors in txtablemodel to guiconstants

- add colors used in TX status decoration
[Qt] simplify return code and return values in txtablemodel

- also move an added space in a string where it belongs
Clean up CMerkleTx::SetMerkleBranch.

The case SetMerkleBranch(NULL) was never actually used, and thus the
involved code (loading the block from disk) can be removed and the
implementation simplified.
[Qt] update form files for setting autoDefault explicitly to false

- also fixes indentation in one file (auto fixed by Qt Designer)
- removes several default parameters, which are not needed in the files
- related to #4840 (but not intended as fix for a no-bug)
Decouple CChain from mapBlockIndex
Move CBlockIndex, CChain and related code out of main
Add init scripts and docs for Upstart and OpenRC
Avoid reject message feedback loops
Remove unused function main:VerifySignature
Remove CScriptCheck::nHashType (was always 0)
Don't pass nHashType to VerifyScript
Don't pass nHashType to EvalScript nor CheckSig
minor changes for help message of getpeerinfo
remove include of chainparams.h

chainparams.h has not been used in this cpp file already, consider to remove it for clean.
Merge pull request #4853

2605b94 [Qt] update form files for setting autoDefault explicitly to false (Philip Kaufmann)
Merge pull request #4611

234bfbf Add init scripts and docs for Upstart and OpenRC (Adam Weiss)
Merge pull request #4460

604ee2a Remove tx from AlreadyAskedFor list once we receive it, not when we process it. (R E Broadley)
Create the common location for all m4 autotool build scripts, build-aux/m4.

Update .gitignore.
Merge pull request #4719

52a5f90 Create the common location for all m4 autotool build scripts, build-aux/m4.