server: rename fedora dockerfile to containerfile

Early on the dockerfile for fedora was experimental but it has been
the primary source for a while now. Rename it to 'Containerfile'
to make it more prominent.

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

Makefile

@@ -22,7 +22,7 @@ PUSH_CMD:=$(CONTAINER_CMD) push $(PUSH_OPTS)
 SERVER_DIR:=images/server
 AD_SERVER_DIR:=images/ad-server
 CLIENT_DIR:=images/client
-SERVER_SRC_FILE:=$(SERVER_DIR)/Dockerfile.fedora
+SERVER_SRC_FILE:=$(SERVER_DIR)/Containerfile
 NIGHTLY_SERVER_SRC_FILE:=$(SERVER_DIR)/Dockerfile.nightly
 SERVER_SOURCES:=$(SERVER_DIR)/smb.conf
 AD_SERVER_SRC_FILE:=$(AD_SERVER_DIR)/Containerfile