[#3405] CS fixes

- Indentation, trailing whitespace
Merge branch 'hotfix/3405' into develop

Close #3405
Merge branch 'hotfix/composer-provide-packages' of git://github.com/Maks3w/zf2 into hotfix/3410
Merge branch 'hotfix/3410'

Close #3410
Merge branch 'hotfix/3410' into develop

Forward port #3410
Merge branch 'hotfix/remove-singe-zend-namespace' of git://github.com/Maks3w/zf2 into hotfix/3415
Merge branch 'hotfix/3415'

Close #3415
Merge branch 'hotfix/3415' into develop

Forward port #3415
Merge branch 'feature/file-input-comments' of git://github.com/cgmartin/zf2 into hotfix/3418
Merge branch 'hotfix/3418' into develop

Close #3418
Merge branch 'zf3348' of git://github.com/Deserved/zf2 into hotfix/3348
[#3348] Fix CS issues

- Trailing whitespace
Merge branch 'hotfix/3348'

Close #3423
Fixes #3348
Merge branch 'hotfix/3348' into develop

Forward port #3423
Merge branch 'ZF-3347' of git://github.com/Deserved/zf2 into hotfix/3424
[#3424] CS fixes

- Trailing whitespace
- whitespace following operators
Merge branch 'hotfix/3424'

Close #3424
Fixes #3347
Merge branch 'hotfix/3424' into develop

Forward port #3424
Merge branch 'hotfix/session-savehandler-db-destruct' of git://github.com/mwillbanks/zf2 into hotfix/3429
Merge branch 'hotfix/3429'

Close #3429
Fixes #2628
Fixes #3075
Fixes #3108
Fixes #3182