added color detection grep wrapper to main git-flow
modified all the standard git-flow scripts to use grep wrapper
Merge branch 'feature/grep-nocolor' into deploy/0.4.2-pre-2

* feature/grep-nocolor:
  modified all the standard git-flow scripts to use grep wrapper
  added color detection grep wrapper to main git-flow
Merge branch 'feature/grep-nocolor' into feature/deployment-branches

* feature/grep-nocolor:
  modified all the standard git-flow scripts to use grep wrapper
  added color detection grep wrapper to main git-flow
use do_grep provided by feature/grep-nocolor
Merge branch 'feature/deployment-branches' into deploy/0.4.2-pre-2

* feature/deployment-branches:
  use do_grep provided by feature/grep-nocolor