- update to 2.17:
* fix -r does not work (xujing)
* fix spelling errors that could mislead users (xujing)
* fix --comment-missing=n does not work (xujing)
* fix --cap-from-fs does not work (xujing)
* all shell are bash
* clean test x$var, use -z
* change email to tutanota
* change copyright year
* change gpg key
* fix warnings from shellcheck
* add unitary tests for plugins and options
* if batch mode, do not edit any spec part
* spec_only : display spec name if successfull
* echo+read in one line with read -p
* add new plugin exclude_file to exclude files from spec
* split tests in t directory
* bugfix in nodoc plugin
* rename internal variable with RPMREBUILD_ prefix