Update readme with install instructions

fixes #8
Merge pull request #9 from baldurrensch/readme

Update readme with install instructions
Updated version
Merge pull request #11 from baldurrensch/update_fixture_version

Updated version
Add the ability to use Alice's processors.
Fix typo
Merge pull request #12 from jjanvier/feature/processors

Add the ability to use Alice's processors.
Bumped versions.

References the doctrine/data-fixtures with the stable 1.0.0 version.
Also enabled a higher possible version of doctrine/doctrine-fixtures-bundle.
Merge pull request #17 from h4cc/patch-1

Bumped versions.
Updated alice version constraint
Merge pull request #18 from baldurrensch/alice_version

Updated alice version constraint
Functional Test Base added
Fixture with two loaders
Small tweaks
Fix dependencies
Merge pull request #16 from baldurrensch/functional_tests

Functional tests
Added PHP 5.6 and HHVM to travis.yml
Merge pull request #24 from Nyholm/patch-1

Added PHP 5.6 and HHVM to travis.yml
switch to psr-4 autoloader

since target-dir is deprecated (although unlikely to be removed anytime soon). I figured i'd try for a switch
Merge pull request #27 from jrobeson/patch-2

switch to psr-4 autoloader