Allow semigroups-0.14
D.Core.Types: fix Backend comment

Closes #64.
CHANGES for v1.1.0.3
Export Diagrams.Core.Style.gtAttrToStyle

This seems to have been missing in the export list for some reason.
update Changes.markdown for 1.2
CHANGES updates
Update Uupdate
travis: use GHC 7.8.2
travis: use most recent cabal
bump version to 1.2
Merge branch 'master' of https://github.com/diagrams/diagrams-core
CHANGES: fix typo
diagrams-haddock updates
Allow lens-4.2, semigroups-0.15
Propogate transformations into the terms of Measure
Merge pull request #66 from diagrams/measure-transform

Propogate transformations into the terms of Measure
Release notes for 1.2.0.1
Merge branch 'master' into physical-units

Conflicts:
	src/Diagrams/Core/Types.hs
more work on physical units.  Doesn't compile.