Merge branch 'release-1.4.0' into develop
Added cool npm badge because why not?
Correcting spelling mistakes in README.
add "Vendor:" to tags in spec-file creation
add URL tag option to the options

 Fixes `no-url-tag` warning produced by `rpmlint`
Merge pull request #39 from andreas-marschke/fix/vendor-tag
Merge pull request #40 from andreas-marschke/fix/url-tag

Adds the URL tag option to the options.
Bump package version to 1.4.1
Merge branch 'release-1.4.1'