If node version get from a git repo you don't need to parse it for semantic version

Change-Id: I9f476d0690d5278d923f0912002fd7a325eb0ba8
Import filters instead of elements twice (bad copy/paste)

Change-Id: I4d124a1a5a7e600742429e95ba7dd854d29649c7
Set a proper npm version for kurento-client when a external module is created

Change-Id: I17190ccfaa81bd633ac59916df68655c7ea11859