Merge branch 'master' of github.com:rueckstiess/mtools

Merge branch 'master' of github.com:rueckstiess/mtools

added remark about requirements.txt in INSTALL.

updated current version to 1.1.4.

bumped version to 1.1.3

Merge branch 'release-1.1.2'

Conflicts:
	README.md
	mtools/version.py

bumped version to 1.1.1

Update README.md

Changed relative Wiki links (broken) to absolute links.

Merge branch 'release-1.0.5'

Conflicts:
	README.md
	mtools/version.py

bump version 1.0.4