Fix #34.

(cherry picked from commit 93178ef784843f2fa48726de7ea7b6e423169230)
Removed all VS C++ projects and solutions.

(cherry picked from commit 6b8a5ea69879035cb9c28a9450897394eaea1ba3)
Ignore VS project and solution files.

(cherry picked from commit 7fd7aa028a0286aba4155ef9c6e2cf0e4df3ed34)
Moved .NET-related samples to a more appropriate folder.

(cherry picked from commit 76c236e23c602b9057c5ebe0276cb4b0db5c557f)
added shortcut for unix makefiles

(cherry picked from commit 33eecf9ce9249561084a7063d612f2d2beab6be6)