Upgrade step to fix content created before the setting of widgets default values.
refactor CI
replace spaces with tabs
fix allow failures on CI
Merge pull request #50 from collective/default_values_update

Upgrade step to fix content created before the setting of widgets default values.
add link to updated list of package contributors in GitHub
refactor CI and QA tools inclusion
fix conditional execution of commands in CI
allow failures on Plone 4.1 also
behavior to pin nitf content.
pep8
test pin behavior
Merge branch 'pin_behavior' of github.com:collective/collective.nitf into pin_behavior

Conflicts:
	src/collective/nitf/profiles.zcml
	src/collective/nitf/setuphandlers.py
Update changelog