recursive directory addition; add extra flag

[sword]

Q	A
Bug fix?	no
New feature?	yes
BC breaks?	no
Deprecations?	no
Tests pass?	not sure
Fixed tickets
License	Apache2

Description

Rather than having to specify a full list of all directories to parse, with the risk of omitting directories added to a project later, recursively parse from the specified folder (i.e. YourBundle/Resources). Reopened, was https://github.com/schmittjoh/JMSTranslationBundle/pull/261

Todos

• [x] Tests
• [ ] Documentation
• [ ] Changelog

incorporate automated feedback TestBundle is now in Fixture folder

[sword]

Failed; as travis ran out of memory...