Remove unused raw storage code paths
Improve error handling

for checked cast and csv loader
Add installreformathook
Merge pull request #379 from bastih/master

Error reporting improvements.
Merge pull request #378 from bastih/feature/remove_raw_storage

Remove unused raw storage code paths
Merge branch 'master' into feature/kill_vid_table
Merge remote-tracking branch 'upstream/master' into feature/kill_vid_table

Conflicts:
	src/bin/units_storage/rawtable_tests.cpp
	src/lib/access/expressions/pred_EqualsExpression.h
	src/lib/storage/RawTable.cpp
	src/lib/storage/RawTable.h
	src/lib/storage/SimpleStore.cpp
	src/lib/storage/SimpleStore.h
	src/lib/storage/SimpleStoreMerger.cpp
More expression fixing