Merge branch 'jx/i18n-fix' of github.com:jiangxin/gitk

* 'jx/i18n-fix' of github.com:jiangxin/gitk: gitk: l10n: make PO headers identify the Gitk project gitk: ignore generated POT file gitk: i18n: use "Gitk" as package name in POT file Signed-off-by: Johannes Sixt <j6t@kdbg.org>