remove unnecessary parallel communication refs #2045
add ability to find elements that are intersected by a line refs #4345
Add ifexpr ternary function to ExpressionBuilder (#4338)
Unit test for ifexpr (#4338)
Merge pull request #4320 from friedmud/constraint_parallel_optimization_2045

remove unnecessary parallel communication
Removed extra newlines and print statement (refs #4343)
Merge pull request #4348 from dschwen/ifexpr_4338

Add ifexpr ternary function to ExpressionBuilder
Add TorqueReaction postprocessor and test refs #4334
Created INL specific slideset objects to reduce input file syntax (refs #4343)
Merge pull request #4337 from backmari/torsion_postprocessor

Add TorqueReaction postprocessor and test
Merge pull request #4346 from friedmud/elems_along_line_4345

add ability to find elements that are intersected by a line
Merge pull request #4351 from aeslaughter/training-4343

Improvements to PresentationBuilder to reduce input file syntax
Fixing explicit use of /usr/bin/python. Closes #4352
Merge pull request #4353 from milljm/shebang

Fixing explicit use of /usr/bin/python