renamed Source Code Pro's patched version to 'Source Code Pro for Powerline' instead of 'Sauce Code Pro'

Should fix issue #193
Updates the non-italic font's version to 2.050

README.rst

@@ -51,7 +51,7 @@ Font Families
  Literation Mono Powerline               Liberation Mono           SIL Open Font License, Version 1.1
  ProFontWindows                          ProFont for Powerline     MIT License
  Meslo for Powerline                     Meslo                     Apache License, Version 2.0
- Sauce Code Powerline                    Source Code Pro           SIL Open Font License, Version 1.1
+ Source Code Pro for Powerline           Source Code Pro           SIL Open Font License, Version 1.1
  Meslo Dotted for Powerline              Meslo Dotted              Apache License, Version 2.0
  Meslo Slashed for Powerline             Meslo Dotted              Apache License, Version 2.0
  Monofur for Powerline                   Monofur                   Freeware

SourceCodePro/README.rst

@@ -1,8 +1,8 @@
-Sauce Code Powerline
-====================
+Sauce Code Pro for Powerline
+============================
 
 :Font creator: Paul D. Hunt (Adobe)
-:Version: 1.017
+:Version: 2.050
 :Source: http://sourceforge.net/projects/sourcecodepro.adobe
 :License: SIL OPEN FONT LICENSE Version 1.1
 :Patched by: `Carl X. Su <https://github.com/bcbcarl>`_
@@ -16,7 +16,8 @@ a complementary design to the Source Sans family.
 Sauce Code Powerline is derived from Source Code Pro for Powerline
 users. The Powerline symbols is being made by Kim Silkebækken. The
 patch work is being undertaken by Carl X. Su. The Italics were later
-added to the family and patched by Anwar.
+added to the family and patched by Anwar. The updated versions of the
+non italics variants were also patched by him.
 
 Both the final font Truetype/OpenType files and the design files used
 to produce the font family are distributed under an open licence and