Fix gevolution build for newer libebook releases

Merge with soc.2013.gobjectification (merge dangling branch close head)

Backport some warning fixes from default branch release-2.x.y

Fix novell ppc64 warning

Fix more perl warnings

Fix perl warnings

Merge

Fix some tcl8.6 compiler warnings

Fix crash on wrong password (backout 0f0d6ae2fb77)

Use "Cancelled" as spelling of stock item.

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