Upgrade to Pygments 2.1.1

Version 2.1.1
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(relased Feb 14, 2016)

- Fixed Jython compatibility (#1205)
- Fixed HTML formatter output with leading empty lines (#1111)
- Added a mapping table for LaTeX encodings and added utf8 (#1152)
- Fixed image formatter font searching on Macs (#1188)
- Fixed deepcopy-ing of Token instances (#1168)
- Fixed Julia string interpolation (#1170)
- Fixed statefulness of HttpLexer between get_tokens calls
- Many smaller fixes to various lexers

Version 2.1
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(released Jan 17, 2016)

- Added lexers:

  * Emacs Lisp (PR#431)
  * Arduino (PR#442)
  * Modula-2 with multi-dialect support (#1090)
  * Fortran fixed format (PR#213)
  * Archetype Definition language (PR#483)
  * Terraform (PR#432)
  * Jcl, Easytrieve (PR#208)
  * ParaSail (PR#381)
  * Boogie (PR#420)
  * Turtle (PR#425)
  * Fish Shell (PR#422)
  * Roboconf (PR#449)
  * Test Anything Protocol (PR#428)
  * Shen (PR#385)
  * Component Pascal (PR#437)
  * SuperCollider (PR#472)
  * Shell consoles (Tcsh, PowerShell, MSDOS) (PR#479)
  * Elm and J (PR#452)
  * Crmsh (PR#440)
  * Praat (PR#492)
  * CSound (PR#494)
  * Ezhil (PR#443)
  * Thrift (PR#469)
  * QVT Operational (PR#204)
  * Hexdump (PR#508)
  * CAmkES Configuration (PR#462)

- Added styles:

  * Lovelace (PR#456)
  * Algol and Algol-nu (#1090)

- Added formatters:

  * IRC (PR#458)
  * True color (24-bit) terminal ANSI sequences (#1142)
    (formatter alias: "16m")

- New "filename" option for HTML formatter (PR#527).

- Improved performance of the HTML formatter for long lines (PR#504).

- Updated autopygmentize script (PR#445).

- Fixed style inheritance for non-standard token types in HTML output.

- Added support for async/await to Python 3 lexer.

- Rewrote linenos option for TerminalFormatter (it's better, but slightly
  different output than before) (#1147).

- Javascript lexer now supports most of ES6 (#1100).

- Cocoa builtins updated for iOS 8.1 (PR#433).

- Combined BashSessionLexer and ShellSessionLexer, new version should support
  the prompt styles of either.

- Added option to pygmentize to show a full traceback on exceptions.

- Fixed incomplete output on Windows and Python 3 (e.g. when using iPython
  Notebook) (#1153).

- Allowed more traceback styles in Python console lexer (PR#253).

- Added decorators to TypeScript (PR#509).

- Fix highlighting of certain IRC logs formats (#1076).