Merge pull request #1 from maciejborkowski/dev

DEP-26 DEP-27
README change
SVN Offline changes
SVN offline parser, new option
SVN Parser options
Merge pull request #4 from zuzannapacholczyk/dev

[DEP-24] SVN Offline filtering logic + tests
Merge pull request #7 from maciejborkowski/dev

DEP-29 DEP-38
DEP-40 basic tests for sourcecrawler