gplugin/gplugin

Fix up the gplugin-gtk docs to be full covered
bugfix/docs-cleanup
2019-08-15, Gary Kramlich
936498b316f1
Fix up the gplugin-gtk docs to be full covered
export GPLUGIN_VERSION=@GPLUGIN_MAJOR_VERSION@.@GPLUGIN_MINOR_VERSION@.@GPLUGIN_MICRO_VERSION@