Tracker: whitespace fix, spaces to tab
Tracker: style fixes to PoseView.cpp

Compare with NULL explictly
Tracker: fix dereference after NULL checks

CID600503, CID600504, CID600505
Tracker: fix unused pointers

CID610474, CID610475
Tracker: fix unchecked return values

Check that LockLooper() succeeds

CID611190, CID611194, CID602477
Tracker: fix unchecked dynamic_casts

CID603130, CID603131, CID603132
Tracker: fix 2 unbounded copies

CID609045
Tracker: fix 2 uninitialized scalers

CID610119
Tracker: Fix use after free

CID510586
Tracker: Fix several unchecked return values

CID611191, CID611192, CID611193
Tracker: Check that LockLooper() succeeds

CID602486
Tracker: Initialize view and low colors

CID610137 and CID610138
Tracker: Fix integer overflow

CID1108329