Added configurable http authentication resolver
Merge branch 'master' into configurable-resolver
Updated Readme
Merge branch 'feature/38'

Close #38
Merge branch 'master' into configurable-resolver

Conflicts:
	test/Factory/DefaultAuthenticationListenerFactoryTest.php
Merge pull request #40 from corentin-larose/configurable-resolver

Added configurable http authentication resolver
[#40] Remove IDE artifacts

- These should be in your global gitignore!
[#40] Simplify

- Removed redundant conditional.
[#40] Remove perlisms

- Check if resolver exists in services before adding to http adapter,
  using `$services->has()`; additionally, remove unneeded temporary
  variable.
[#40] Remove redundant conditional
[#40] resolve too long lines
Add more conditionals

- the new resolver factories can return boolean false, which can lead to
  errors; check the return value before injecting resolvers.
[#40] Remove global qualification from imports

- not necessary
Merge branch 'feature/40' into develop

Forward port #40