Seperated Create_Workspace as a seperate XML task

Create_Workspace is used used in XML files instead of directly being
executed in DeployObject(). This can be problematic if we deploy
multiple services on the same host, since a previous workspace will be
deleted. Also, it removes futile git clones.

There are other XML steps (CppCheckAnalysis, LicenceAndFormattingCheck,
BuildImage, BuildProxy, BuildClusterImage) that implicitly called
Create_Workspace. Those calls have been removed and care has been taken
to insert the corresponding Create_Workspace steps in the XML.

ci-scripts/xml_files/container_lte_n3xx_tdd_2x2_tm2.xml

@@ -31,6 +31,7 @@
 111111
 100000
 010010
+800833
 031101
 010001
 000001
@@ -64,7 +65,12 @@
     <node>obelix</node>
     <command>sudo cpupower idle-set -E</command>
   </testCase>
-
+  <testCase id="800833">
+      <class>Create_Workspace</class>
+      <desc>Creating new Workspace</desc>
+      <eNB_instance>0</eNB_instance>
+      <eNB_serverId>0</eNB_serverId>
+  </testCase>
   <testCase id="031101">
     <class>Deploy_Object</class>
     <desc>Deploy eNB (TDD/Band38/2.6Ghz/N3XX) in a container</desc>