Merge branch 'release/1.1.5' into develop
Ignore all well-named interfaces from coverage.
Merge pull request #92 from ezzatron/coverage-ignore-interfaces

Ignore all well-named interfaces from coverage.
Support for PHP 5.6, improved Travis config manager.
Merge pull request #93 from ezzatron/56-support

Support for PHP 5.6.
CS
Bumped version and updated changelog.
Merge branch 'release/1.2.0'