Migrate docker support to meson

- bmcweb seems to have x86 docker support which was broken
  due to build system migration.

- This commit would migrate the docker to leverage the meson
  build system.

- There are a couple of changes that are needed to for meson :

- Right now meson does not support the subprojects to be downloaded
  elsewhere other than subprojects directory, because of that we
  cannot delete the source directory in the bmcweb-base container as
  that affect the incremental builds.

- Docker infrastructure had now does not by-default allow DNS lookups
  for the latest rpm-based distributions, because of which I need to
  add --network to the base container(so that apt update succeeds)

Tested By:

- Was able to successfully compile bmcweb & tests in a container and
  was able to get the build directory out of the container to the host
  machine post completion.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Ica23bd3de22e262a27c91167181161fc459cda0d
diff --git a/Dockerfile b/Dockerfile
index 978a4c3..8155764 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 
 ADD . /source
 
-RUN cmake --build .
+RUN ninja -C /source/build
 
 RUN mkdir -p /usr/share/www