Update submodule vim/bundle/tcomment 4803965...8e77286

* vim/bundle/tcomment 4803965...8e77286 (16):
  > mixedindent: mixedindentUndo previous change; use \%>v again
  > mixedindent: Set virtual column to strdisplaywidth(indentStr, cbeg) + 1
  > s:DoReplacements(): Handle an empty list of tokens correctly
  > Experimental option 'mixedindent': Deal with inconsistent indentation styles (fixes #43)
  > Experimental option g:tcomment#mixed_indentation: Deal with inconsistent indentation styles (fixes #43)
  > docs
  > Enable replacements for xml/html/... (fixes #44)
  > addon-info
  > docs
  > g:tcommentMaps: If true, set maps (fixes #42)
  > Support for (firefox) chromemanifest filetype
  > Adds Scala support
  > docs
  > Define/handle 'ini' file type (e.g. for php.ini)
  > Add `g:tcommentGuessFileType_smarty = 1`
  > Fix typo
Update byobu to r2057