refactored the git checkout code

Signed-off-by: Jeremy Mordkoff <Jeremy.Mordkoff@riftio.com>
diff --git a/jenkins/common/all_funcs b/jenkins/common/all_funcs
index 10b7650..a847108 100644
--- a/jenkins/common/all_funcs
+++ b/jenkins/common/all_funcs
@@ -22,9 +22,7 @@
 	export OSM_JENKINS=$(realpath $(dirname ${BASH_SOURCE[0]} ))
 fi
 
-. ${OSM_JENKINS}/common/logging
-INFO "logging sourced"
-. ${OSM_JENKINS}/common/config
-INFO "config sourced"
-. ${OSM_JENKINS}/common/container
-INFO "container sourced"
+for file in logging config container git_functions; do
+	. ${OSM_JENKINS}/common/$file
+	INFO "$file sourced"
+done