fix(adapter): allows git cz to be run from subdirectories (#292)

looks for the adapter file relative to the project root rather than cwd

closes #187

src/commitizen/adapter.js

@@ -131,7 +131,7 @@ function resolveAdapterPath(inboundAdapterPath) {
 
   // Resolve from process.cwd() if inboundAdapterPath is a path
   let absoluteAdapterPath = isPath ?
-    path.resolve(process.cwd(), inboundAdapterPath) :
+    path.resolve(getNearestProjectRootDirectory(), inboundAdapterPath) :
     inboundAdapterPath;
 
   try {