fix python-* lib from git installation

We're using all the magic variables based on python-fooclient, however
all the inline code was using fooclient for variables. So we had a
mismatch, which was kindly pointed out by some of the 3rd party ci
testers.

Change-Id: I27a56222c7e8e610fba8bf97672d2a42f5cf14ca
diff --git a/lib/heat b/lib/heat
index ed5181b..2b55cf0 100644
--- a/lib/heat
+++ b/lib/heat
@@ -29,7 +29,7 @@
 # --------
 
 # set up default directories
-GITDIR["heatclient"]=$DEST/python-heatclient
+GITDIR["python-heatclient"]=$DEST/python-heatclient
 
 HEAT_DIR=$DEST/heat
 HEAT_CFNTOOLS_DIR=$DEST/heat-cfntools
@@ -184,10 +184,10 @@
 
 # install_heatclient() - Collect source and prepare
 function install_heatclient {
-    if use_library_from_git "heatclient"; then
-        git_clone_by_name "heatclient"
-        setup_develop "heatclient"
-        sudo install -D -m 0644 -o $STACK_USER {$HEATCLIENT_DIR/tools/,/etc/bash_completion.d/}heat.bash_completion
+    if use_library_from_git "python-heatclient"; then
+        git_clone_by_name "python-heatclient"
+        setup_dev_lib "python-heatclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-heatclient"]}/tools/,/etc/bash_completion.d/}heat.bash_completion
     fi
 }