XRENDERING-297: Upgrade to PegDown 1.4.0
XRENDERING-297: Move all specific tests for Markdown to the proper subfolder
XRENDERING-297: Rename module *markdown to *markdown10
XRENDERING-297: Prepare new syntax module *markdown11
XRENDERING-297: Add superscript and subscript to markdown/1.1
XRENDERING-297: Add macro syntax to markdown/1.1
XRENDERING-297: Fix inline macro to be represented as inline
XRENDERING-297: Improve parsing of superscript/subscript
XRENDERING-297: Upgrade to PegDown 1.4.1
XRENDERING-297: Register '^' as a special char to fix superscript1.test
XRENDERING-297: Fix code-style in plugin parser
XRENDERING-297: Change Markdown macro syntax for parameters
XRENDERING-297: Escaped quotation mark inside a quoted text
XRENDERING-297: Fix parsing of unquoted parameter value
XRENDERING-297: Split XWikiPegdownPluginParser class
XRENDERING-297: Disable inline HTML in favour of inline XHTML

HTML is too lenient and so very hard to escape correctly in renderer.
XRENDERING-297: Disable QUOTES extension

It doesn't work well so it'll be better to disable it now and maybe
implement better later.
XRENDERING-297: Some minor code-style fixes
Merge branch 'markdown-1' of https://github.com/jirutka/xwiki-rendering into jirutka-markdown-1
XRENDERING-297: Add Markdown Syntax 1.1 with macros, superscript and subscript support