Update version v0.4.2pre
no create getopt and helpdoc
added no-delete option to delete_mirror.sh
no-creation option logic
no-create option preflight check
preflight for no-delete option
Merge branch 'feature/no_create' into development closes #19
update CHANGELOG
Force --no-delete if --no-create

If project was created with --no-create option set then it doesn't
make sense to attempt to delete the remote.  This will force the
option no matter if --delete or --no-delete are given.
update features README
add --no-create option example
version release v0.4.2
Merge branch 'development' release v0.4.2