Invalid function call

The function expand_nameprefix_arg has been renamed.

Closes: #118
No make installer fails

Repository URL requires https instead of http
Version bump 1.7.0-dev.46
Merge branch 'feature/125_no_make_installer_fails' into develop

Closes #125
Wrong variable is checked.

The function should check for VERSION.
Wrong variable used.

We should use the variable VERSION.
Wrong variable used.

We should use the variable VERSION.
Wrong variable used.

We should use the variable VERSION.
Version bump 1.7.0-dev.52
Merge branch 'feature/fix_require_version_arg' into develop

Closes #129
Version bump 1.7.0-rc.1
Add missing changelog entry.
Version bump 1.7.0
Merge branch 'release/1.7.0'
Merge tag '1.7.0' into develop

1.7.0
Preparation for new development cycle after release 1.7.0
Remove redundant test.

The file gitflow-shFlags is always present as we don't use submodules.
Wrong message is displayed upon a rebase
Add rebase command to hotfix
Add rebase command to release