Post release tag bump.
I18n: Remove broken / unsupported translations.

See http://users.xfce.org/~nick/broken-i18n/ for files and logs.

Use https://www.transifex.com/projects/p/xfce/ to upload fixed versions or request a translation team.
Remove unneeded files.
I18n: Add new translation en_AU (100%).

235 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation fr (100%).

235 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation hr (80%).

189 translated messages, 46 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
Merge remote-tracking branch 'official/xfce-4.10' into titleless-4.10

Conflicts:
	po/fr.po
add arch build tools
Updates for v4.10.2