Revert "Merge https://redmine.ms.mff.cuni.cz/lindat/lindat-common into master-dev"

This reverts commit 55eecedf3a2c44d8b81a10044ac496bdf495227c, reversing
changes made to ebadb384d09c7ec7ed913c60fee86fd0d8eb66c9.

Conflicts:
	README