chore(release): cutting the 0.4.0 release
fix(karma): updates karma dependencies
chore(*): cutting 0.4.1 release
feat(sofa.Util): adds fromJson method
chore(*): releases 0.5.0
refact(sofa.Util): removes fromJson method

it turned out that it makes much more sense to put this method into
`sofa.HttpService`.
chore(*): releases 0.5.1
chore(license): fixes license
chore(gruntFile): adds license banner to build process
chore(*): releases 0.5.2
feat(sofa.Util): adds forEach method

implements `forEach` method to iterate over object properties.
chore(*): release 0.6.0
fix(*): removes sofa-q-service

this components has been extracted from sofa-core and is
installable as dependency
chore(*): release 0.6.1
chore(contributing guide): updates contributing flow
feat(util): add zeroFill
feat(product): allow passing in a variant to calculate base price per variant