Clean up trace files

This fixes distcheck for me.
Parsed Conductivity capability
Heat Transfer instantiation macros
Rudimentary test added for parsed conductivity
Silence unused variable warnings
Silence unused variable warnings
Fix test for VPATH build
Run the test that you're supposed to
Merge pull request #170 from pbauman/fix-vikrams-branch

Fix vikrams branch
Adding method/members to register postprocessing quantities

This is the beginning of the PostprocessedQuantities refactor.
Check for existing quantity
Use make_pair instead
Need to alert CachedValues we're going to have a quantity
BUild up map between local indices and libMesh variable indices
Infrastructure for Physics to register PostProcessedQuantities

Time to start cleaning up and having each Physics use this instead.
Want register postprocessing to have access to GetPot input
size() for CachedValues
That was supposed to be quantity_name_index_map
Need to assign system pointer
Need to swap the order of the map

Need to be able to search the map based on the VariableIndex, i.e.
the component coming from libMesh