Added lzo and zip compression
Updated interfaces to the new chunker
Updated comments and a few names
Merge pull request #31 from zpp-2014-15/compression_lzo

Added lzo and zip compression
Merge branch 'master' of https://github.com/zpp-2014-15/deltacompression into new_chunker
Changed tests for VersionProcessor
Merge branch 'master' into test_data_processor

Conflicts:
	deltacompression/backend/file_processor.py
	deltacompression/backend/file_processor_test.py
	deltacompression/chunker_adapter/adapter.cpp
	deltacompression/chunker_adapter/chunker.py
	deltacompression/gui/models/experiment.py