Update documentation intro

Reflect SyphonClient changes, use current URLs

Syphon.h

@@ -122,7 +122,7 @@
  Usually you create a client with a server description dictionary you obtained from SyphonServerDirectory:
  
  @code
- SyphonClient *myClient = [[SyphonClient alloc] initWithServerDescription:description options:nil newFrameHandler:^(SyphonClient *client) {
+ SyphonClient *myClient = [[SyphonClient alloc] initWithServerDescription:description context:cgl_ctx options:nil newFrameHandler:^(SyphonClient *client) {
 	[myView setNeedsDisplay:YES];
  }];
  @endcode
@@ -132,7 +132,7 @@
  When you are ready to draw:
  
  @code
- SyphonImage *myFrame = [myClient newFrameImageForContext:cgl_ctx];
+ SyphonImage *myFrame = [myClient newFrameImage];
  if (myFrame)
  {
 	GLuint tex = myFrame.textureName;
@@ -171,14 +171,14 @@
  
  @section help More examples and help
  
- Example projects implementing a server and client are included with the Syphon SDK. You can also examine the source to the provided Syphon implementations at their <a href="http://code.google.com/p/syphon-implementations/"  target="_blank">Google Code project</a>.
+ Example projects implementing a server and client are included with the Syphon SDK. You can also examine the source to some Syphon implementations on <a href="https://github.com/Syphon">GitHub</a>.
  
  Use the <a href="http://forums.v002.info/forum.php?id=7" target="_blank">Syphon developer forum</a> to ask questions, and for any development related discussion.
  
  Good luck!
  
  @section framework_dev Framework development
  
- If you'd like to examine the framework's source code, report a bug, or get involved in development, head on over to the <a href="http://code.google.com/p/syphon-framework/" target="_blank">Syphon framework Google Code project.</a>
+ If you'd like to examine the framework's source code, report a bug, or get involved in development, head on over to the <a href="https://github.com/Syphon/Syphon-Framework">Syphon framework GitHub project.</a>
  
  */