Merge branch 'release/0.3.0' into develop
bumps version to 0.4.0-SNAPSHOT
Merge branch 'hotfix/0.3.1' into develop

Conflicts:
	package.json
Merge branch 'hotfix/0.3.2' into develop

Conflicts:
	package.json
Merge branch 'hotfix/0.3.3' into develop

Conflicts:
	package.json
feat(config): make all ports used by fabs configurable

Creates variables for all ports in system.config.js and uses this to configure connect and karma.

Closes #21
doc(readme): replace fixed version with x
bumps version to 0.4.0
doc(changelog): update changelog for 0.4.0
Merge branch 'release/0.4.0'