Merge branch 'fc/fixes' into integration

Merge branch 'fc/fixes' into integration

* fc/fixes:
  credential: fix wrong double password prompt
  rebase: disable fork-point by default
  Silence gcc warnings with -O3
  Revert "silence some -Wuninitialized false positives"
  Revert "make error()'s constant return value more visible"
  version-gen: fix versions
  version-gen: cleanup
  build: fix installation of scripts

# Conflicts:
#	Makefile