Merge pull request #548 from Goles/master

Added Xcode 5.1 release UUID for Plug-In Compatibility
Update README.md

Add announcemnet for Xcode 5.1
Update README.md
Merge branch 'develop'

* develop: (45 commits)
  Fix name of methods
  Fix #564
  Use number option when using relativenumber option
  Set default relativenumber to NO
  Fix for Xcode 5.1 build support
  added relativenumber option
  Implement matchedPair more efficiently
  Monstrous commit from hell
  Add a fast way to look at an NSString
  Implement: C, D, X, Y in non block mode properly
  Match undocumented vim behaviors for A and I in visual line/char modes
  Fix an annoying bug: `i_CTRL-w shouldn't yank!
  Reimplement xvim_shift to handle block shift properly
  Add helpers to create strings made of spaces, and remove spaces at a given position
  Define NS_REQUIRES_SUPER for older SDKs so that it builds
  Fix cursor positions after delete and yank to match vim
  First stab at block edit: v_b_[AcCI]
  Various memory leaks fixed
  Improve encapsulation of XVimTextObjectEvaluator, improve clearing of the argument string
  Document all visual missing commands with nice errors
  ...
Update readme
Merge branch 'develop'

* develop:
  Support Xcod6-beta
  Fix_#574 Old impl of keyNotation only accepts US keyboard key events. Key events generated by other keyboard (like Russian) generates key events with unichar that can not be converted to XVim key notation. This fix converts such unichar to simply the character of the unichar.
  Old impl of keyNotation only accepts US keyboard key events. Key events generated by other keyboard (like Russian) generates key events with unichar that can not be converted to XVim key notation. This fix converts such unichar to simply the character of the unichar.
  Fix issue #575
Merge branch 'master' into develop

* master:
  Update readme
  Update README.md
  Update README.md
Add description for Xcode 6
Fix issue #580