Added configurable header in collection tile template, refs #407
Updated change log for #407
Fix Travis CI configuration

- Remove phantom build included in previous commit
- Finish quickly in case of errors
Merge branch 'master' of github.com:collective/collective.cover
Remove link integrity tests as they are Products.PloneTestCase-based and I have no intention of maintain them (refs. #410)
Make a saner control of version pinning
Merge branch 'master' into issue_407
Merge branch 'master' into issue_407

Conflicts:
	versions-4.2.x.cfg
	versions-4.3.x.cfg
Fix changelog
Sort collection in robot test on getId, so result is always the same. refs #407
Merge branch 'issue_407' of github.com:collective/collective.cover into issue_407
Merge branch 'master' of https://github.com/collective/collective.cover into issue_407
Added my github name to change log
Merge pull request #408 from collective/issue_407

Header title on collection tile is not changable