Reuploaded MPI Intro labs
Reuploaded MPI Collective Communication
Reuploaded MPI Trapezoidal Rule
Added subimport in Vol3.tex
Added subimport in Vol3.tex
Added subimport in Vol3.tex
Merge branch 'develop' into mpi_intro
add some missing packages.
fix spelling, indentation, and style.
add linebreaks
Merge branch 'develop' into mpi_trap
fix spelling and spacing
Merge branch 'develop' into MPI_Trap
Merge branch 'mpi_trap' of git://github.com/ayr0/numerical_computing into MPI_Trap
Merge branch 'develop' into MPI_Intro
Merge branch 'mpi_intro' of git://github.com/ayr0/numerical_computing into MPI_Intro
Merge pull request #354 from ahuff44/MPI_Intro

Mpi intro lab
Merge pull request #355 from ahuff44/MPI_Trap

Mpi trapezoid rule lab
Merge pull request #356 from ahuff44/MPI_Coll

Mpi collective communication lab