Fixed FileGenerator to allow passing in array of strings.
Merge branch 'hotfix/3317'

Close #3317
Merge branch 'hotfix/FileGenerator-setUses-should-allow-array-of-strings' of git://github.com/lukenm/zf2 into hotfix/3318

Conflicts:
	tests/ZendTest/Code/Generator/FileGeneratorTest.php
Merge branch 'hotfix/3318' into develop

Forward port #3318