Merge pull request #32 from infirit/master

Add check for zlib and add to linker
Remove unused distro folder
Check if handler_id is connected before disconnect

Closes #40
https://github.com/mate-desktop/mate-document-viewer/issues/40
Enable case sensitive search button

It was available in the previous evince code, but not shown and not working.

This commit fixes the button, but case sensitive search need to be fixed in
the varios backends.

See #41
https://github.com/mate-desktop/mate-document-viewer/issues/41
Sync translations with transifex
Package name is atril
rename to atril
Merge pull request #43 from NiceandGently/master

rename to atril
One filename is longer than 99 characters, use tar-ustar