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
bumped version to 1.0.3.
BUMPED version to 1.0.2