Improve readability in Class['quantum'].

  This commit will move the configuration of the the chosen RPC backend
  into their own classes.  This is being done to improve the readability
  of the Class['quantum'].

Change-Id: I1db4893847879930d0dbb40d02a17f9da8e70bd3
Style cleanup on Class['quantum::client'].

  A couple minor changes to align code style.

Change-Id: I9de39fdbc37351e8fe597662ebde7bee5739b15c
Style cleanup on Class['quantum::server'].

  A few minor changes to align code style.

Change-Id: Ib48fe43a9e4f5aae48e0980aa1925a884911884c
Update style for all Class['quantum::agents::*'].

  This commit is predominately whitespace changes to satisfy style
  consistency.

Change-Id: I5fbfd3d27e81bf8c20c871a9b55ad3b4d41810a7
Update style for all Class['quantum::db::*'].

  This commit is predominately whitespace changes to satisfy style
  consistency.

Change-Id: I43bc4e5eb9ee4b5290235b7cff05d88a0564e5c9
Style cleanup on Class['quantum::keystone::auth'].

  A few minor changes to align code style.

Change-Id: I7ef773173e6050cee6aec5c65cdf2e760ba00fbb
Style cleanup on Class['quantum::params'].

  A few minor changes to align code style.

Change-Id: Ibcfe57b3c4ef5f96e5a0b11bed69a7e38fe00e3b
Update style for all Class['quantum::plugins::*'].

  This commit is predominately whitespace changes to satisfy style
  consistency.

Change-Id: If13e4e7b953b24a03f8344911b3e2451bc733741
Style cleanup on Class['quantum::quota'].

  A few minor changes to align code style.

Change-Id: Ib0a3ee2abd55a2b6784220c3d26cfc2b12a3e976