Add a stub method to output raw HTML of table

Sometimes users may want to include the raw data as part of a post, and a simple way to do that is to paste the table HTML
Adding a div for raw table html
check whether style sheet href exists (fixes #22)

Fixes issue #22: one stylesheet has no href, which breaks the script. Check
whether style sheet href exists, before accessing the .indexOf
change css rules handling to support firefox...
fixed css rules in firefox - more stuff is still lacking...
Added hosted Chartbuilder url
Merge pull request #24 from mihi-tr/orig

check whether style sheet href exists (fixes #22)
Merge pull request #26 from mihi-tr/firefox

Change css rule handling to support firefox
Merge branch 'patch-2' of https://github.com/dannguyen/Chartbuilder into dannguyen-patch-2
Merge branch 'patch-1' of https://github.com/dannguyen/Chartbuilder into dannguyen-patch-1
Merge branch 'dannguyen-patch-2' into raw-html-table-for-copy
tightening up danguyens html table suggestion with styles
Merge branch 'master' of https://github.com/Quartz/Chartbuilder
Clarified that you're not supposed to be able to change the style with every chart this tool makes
fixed bad 0 test now null and 0 are different
fixes #36 adjust *both* scales if there's no max/min on input keyup
fixes #29 dual axis ticks not lining up thing
Added new date format, continental European usage, see https://en.wikipedia.org/wiki/Calendar_date#Expressing_dates_in_spoken_English
Merge pull request #40 from martignoni/new-date-formats

Pull request to add a new date format for X axis labeling, used everywhere outside the US.
Changed hosted url to github pages version