5.2.2

• Added @discardableResult to func stub for swift 3.
  @mrkite, #203
• Removed ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES to avoid embedding Swift standard libraries when building with Carthage.
  @MattesGroeger
  #217
  @kylejm
  #220
• Add ohhttpStubs_httpBody to URLRequest in Swift 3.0.
  @marcelofabri
  #216
• Migrate samples in swift3 branch to Swift 3.
  @dhardiman
  #205