Merge pull request #11 from graemeball/master

final fixes & changes for SIMcheck version 0.9.5
add normalised RMSE stat and check for MIV / angle difference
replace old CIP stats with max intensity fluctuation over central Z recon window
tidy up README / TODOs, with list for 0.9.6
update CHANGES for 0.9.6
update CIP comments to reflect new functionality
update manual text
minor corrections / updates to manual text
bump version number to 0.9.6
Merge remote-tracking branch 'upstream/master'