add checkDependency for student snopt
fix a bug in PolynomialProgram, that it cannot actually set solver
1. zap the separate check for snopt and student snopt in checkDependency
2. add lsqlin in checkDependency
Merge branch 'master' into add-snopt-student

Conflicts:
	systems/plants/constraint/QuasiStaticConstraint.m
Merge pull request #426 from hongkai-dai/add-snopt-student

add checkDependency for student snopt
windows wasn't finding dlls.  manually add path.
error in inverseKinBackend.m if snopt is not installed
Merge pull request #433 from hongkai-dai/add-ik-snopt-check

error in inverseKinBackend.m if snopt is not installed
error for only once in checkDependency
Merge pull request #434 from hongkai-dai/no-error-pods-pkg-config

error for only once in checkDependency
Merge pull request #431 from RussTedrake/win_dll

windows wasn't finding dlls.  manually add path.
add pod-build libs to release filelist
adding extra lib for msvc build
Loosening tolerances on symmetry check for balanceQuadForm.m.
Adding check dependency for mosek.
Rewrote all the sos programs in regionOfAttraction.m to use spotsosprog instead of mssprog. Now we can call mosek (among other improvements).
Merge pull request #437 from anirudhamajumdar/master

Changes to regionOfAttraction.m
fix the time interpolation in runAtlasWalking
Merge pull request #441 from hongkai-dai/fix-atlas-time-interpolation

fix the time interpolation in runAtlasWalking
add name to error message so the build server handles it correctly