Merge pull request #51 from onceking/master

add `return this;` to load-from-file

Author: R. Tyler Croy

pipeline-examples/load-from-file/externalCall.groovy

@@ -1,4 +1,6 @@
 // If there's a call method, you can just load the file, say, as "foo", and then invoke that call method with foo(...) 
 def call(String whoAreYou) {
     echo "Now we're being called more magically, ${whoAreYou}, thanks to the call(...) method."
-}
+}
+
+return this;

pipeline-examples/load-from-file/externalMethod.groovy

@@ -1,4 +1,6 @@
 // Methods in this file will end up as object methods on the object that load returns.
 def lookAtThis(String whoAreYou) {
     echo "Look at this, ${whoAreYou}! You loaded this from another file!"
-}
+}
+
+return this;