Refer to debug version libraries for ccd and assimp on Windows
Merge pull request #215 from dartsim/windows_support

Refer to debug version libraries for ccd and assimp on Windows
Fix referring to debug version libraries for ccd and assimp on Windows
Add option for Runtime Library (/MD | /MT)
- For Windows
- The default is /MD (Multi-threaded DLL)
Merge pull request #217 from dartsim/windows_support

Fix supporting Visual Studio with DART-Prerequisites installation package
Fix typo elseif() -> else() in CMakeLists.txt
Set default build type as RelWithDebInfo for debian
Merge pull request #219 from dartsim/dart-4.1_debian

Set default debian build type to RelWithDebInfo
4.1 -> master