Updated versioning+dependencies, added normalisation option, general cleanup of code
made version in Main.hs consistent with .cabal file
Changed second long flag to short flag for normalise-metrics
Added minor doco + cleanup
First stage of refactoring
Added ghc options + cleaned up imports
Further refactoring
Updated travis ghc ver
Updated travis cabal ver
Fixed IO problems using Control.Exception.bracket
added _unit flag
Bumped up base req to 4.7
Bumped up cabal req to 1.20
bumped up version
Added ghc-ver to path in travis file
Restored the cabal version var
Merge branch 'add_unit_flag'
Merge branch 'master' of github.com:anchor/vaultaire-collector-nagios

Conflicts:
	src/Main.hs