Nimble v5.0.0

Version 5 supports Swift 3. For older versions of swift, please use an older version of Nimble.

Features / Breaking Changes:

• Convert to Swift 3
• Change NMBOrderedCollection to use -[objectForIndex:] / object(at index: Int). See bugfix.
• beCloseTo supports CGFloat

Bugfixes:

• Fix endsWith matcher not working if the expected value was repeated
  multiple times for strings and NMBOrderedCollection-conforming types.

Special thanks to @NachoSoto, @andersio, @briancroom, @ikesyo, @liscio,
@mokagio, @norio-nomura, @raphaelcruzeiro for all the effort in getting
Nimble to Swift 3!