Replace Jenkins with JenkinsUtils for name errors

Change-Id: Ifd73378254f6b434472fb81e6d30460cabc62ca1
diff --git a/src/com/mirantis/mk/Jenkins.groovy b/src/com/mirantis/mk/JenkinsUtils.groovy
similarity index 100%
rename from src/com/mirantis/mk/Jenkins.groovy
rename to src/com/mirantis/mk/JenkinsUtils.groovy