Merge remote-tracking branch 'upstream/master'

Conflicts:
	syntax/pandoc.vim
Merge branch 'master' of github.com:lyokha/vim-pandoc-syntax
further inline code in emphasis area improvements

1. Using same fg and bg colors as normal verbatim text is
2. Bugfix: Double backticks areas may also have verbatim attributes
   like {.cpp}
3. Bugfix: Verbatim attributes are not *containedin* anywhere but still
   *contained*: this make sure that they will be inserted only by demand
   with *nextgroup*
Merge pull request #79 from lyokha/master

further inline code in emphasis area improvements