Modified yaplot visualization.
Merge remote-tracking branch 'origin/master'
Added StokesSolver.cpp and StokesSolver.h to the Xcode project.
Output the normal vectors of narrow gaps.
Merge remote-tracking branch 'origin/master'
Minor modification in the perl script.
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Modified Xcode project file to include dynamic library.