CLC-3413 Extract Ping and ClearCache controllers
CLC-3413 Rearrange routes file to make more sense
CLC-3413 Put act-as functions in their own controller
CLC-3413 Move smoke-test route into system utility section
Merge pull request #2501 from ctweney/clc-3413

CLC-3413 Splitting up confused controllers, reorganizing routes.rb