adding examples folder to classpath (#3458)

Author: joshfischer1108

scripts/get_all_heron_paths.sh

@@ -67,7 +67,7 @@ function get_package_of() {
 }
 
 function get_heron_java_paths() {
-  local java_paths=$(find {heron,heron/tools,tools,integration_test,storm-compatibility,eco,eco-storm-examples,eco-heron-examples,contrib} -name "*.java" | sed "s|/src/java/.*$|/src/java|"| sed "s|/java/src/.*$|/java/src|" |  sed "s|/tests/java/.*$|/tests/java|" | sort -u | fgrep -v "heron/scheduler/" | fgrep -v "heron/scheduler/" )
+  local java_paths=$(find {heron,heron/tools,tools,integration_test,examples,storm-compatibility,eco,eco-storm-examples,eco-heron-examples,contrib} -name "*.java" | sed "s|/src/java/.*$|/src/java|"| sed "s|/java/src/.*$|/java/src|" |  sed "s|/tests/java/.*$|/tests/java|" | sort -u | fgrep -v "heron/scheduler/" | fgrep -v "heron/scheduler/" )
   if [ "$(uname -s | tr 'A-Z' 'a-z')" != "darwin" ]; then
     java_paths=$(echo "${java_paths}" | fgrep -v "/objc_tools/")
   fi