Remove unused metrics code from cpu example client.
Update the README with wiki links and reference to the client examples.
Merge pull request #125 from scottpurdy/examples

Updates to examples and README
Adds test to ensure external module asteval is installed and the expected version.
Merge pull request #128 from scottpurdy/master

Adds test to ensure external module asteval is installed and the expecte...
Merge branch 'master' into readme