Fix container name, use new labels

Dockerfile

@@ -4,16 +4,16 @@ MAINTAINER Honza Horak <hhorak@redhat.com>
 LABEL io.k8s.description="Platform for building C and C++ applications" \
       io.k8s.display-name="Fedora variant of Developer Toolset's C/C++ Toolchain from Software Collections"
 
-ENV NAME=perftools \
+ENV NAME=toolchain \
     VERSION=1 \
     RELEASE=1 \
     ARCH=x86_64
 
-LABEL BZComponent="$NAME" \
-      Name="$FGC/$NAME" \
-      Version="$VERSION" \
-      Release="$RELEASE.$DISTTAG" \
-      Architecture="$ARCH"
+LABEL com.redhat.component="$NAME" \
+      name="$FGC/$NAME" \
+      version="$VERSION" \
+      release="$RELEASE.$DISTTAG" \
+      architecture="$ARCH"
 
 RUN INSTALL_PKGS="gcc gcc-c++ gcc-gfortran gdb make" && \
     dnf install -y --setopt=tsflags=nodocs $INSTALL_PKGS && \