Update MockBase to support column families

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Update unit tests to handle MockBase column families

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Add missing header in TestFsck.java

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Fix "tsuid:null" output in stats call

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Fix scan --import output where data values were printed as an array of bytes
instead of the actual values. Had inverted the value printing lines in the raw
vs import methods. Closes #248

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>