Update copyright year and fix obsolete assembly version

This issue updates the followings for first release as a TLP.

• 1. Update `NOTICE` file *
  NOTICE

  -Copyright 2015 The Apache Software Foundation.
  +Copyright 2015-2016 The Apache Software Foundation.
  

• 2. Update CSharp files *
  lang/cs/*/Properties/AssemblyInfo.cs

  -[assembly: AssemblyCopyright("Copyright ©  2015")]
  +[assembly: AssemblyCopyright("Copyright © 2016")]
  

• 3. Update and fix CPP file *
  lang/cs/Org.Apache.REEF.ClrDriver/AssemblyInfo.cpp

  -[assembly:AssemblyCopyright("Copyright <A9>  2015")]
  +[assembly:AssemblyCopyright("Copyright © 2016")]
  ...
  -[assembly:AssemblyVersion("0.13.0.0")]
  -[assembly:AssemblyFileVersion("0.13.0.0")]
  +[assembly:AssemblyVersion("0.14.0.0")]
  +[assembly:AssemblyFileVersion("0.14.0.0")]