installation: Fix and update libnetworkcache installation.

installation/10install-dependencies.sh

@@ -12,11 +12,14 @@ git config --global user.email "ophelie.gagnard@nexedi.com"
 git config --global user.name "Ophelie Gagnard"
 
 #pip install slapos.libnetworkcache
-NC_DIR=identifier_slapos.libnetworkcache
-if [ ! -d slapos.libnetworkcache ]; then
+NC_DIR=strategies_slapos.libnetworkcache # NC for NetworkCache
+cd ..
+if [ ! -d "$NC_DIR" ]; then
 	git clone https://lab.nexedi.com/Ophelie/slapos.libnetworkcache.git "$NC_DIR"
 	cd "$NC_DIR"
-	git checkout identifier
+	git checkout strategies
 	cd ..
+	pip install -e "$NC_DIR"
 fi
-pip install -e "$NC_DIR"
+pip install packaging
+cd installation