add support for Markdown Extra Tables
Migrate table support as part of GFM support
add ability to escape |
merge upstream/master
Throw an exception when parsing with no links object
gfm: Support fences of more than 3 characters
Merge pull request #100 from isaacs/master

Support fences longer than 3
avoid infinite loops
gfm code hr list test
def_block test
add tests for #100.
Merge remote-tracking branch 'kitsonk/gfm_tables'

Conflicts:
	lib/marked.js
refactor table implementation.
fix misnested TH tags.
avoid using ES5 methods for tables.
fix gfm paragraph rule to account for tables.
optimize gfm tables. see --patience diff.
remove tabs in table output.
minor
whitespace output.