Add Instagram filter & tests
Ensure Instagram URL has trailing slash
Switch to straight iframe method
Add missing options parameter
Fix Instagram embed default dimensions
Had height/width switch incorrectly
Remove height/width options as they don't make sense for this embed
Fix test so it passes
Fix test so it passes
Fix test so it passes
Allow youtube video without protocol
update redcarpet version
Fix hashtag; Ignore \s not only ' '
Fix gist; add type attribute
Add test; gist
wrap youtube with div for easier styling
Merge pull request #102 from ppworks/fix_gist

Fix gist; add type attribute
Merge pull request #97 from tab/master

Allow youtube video without protocol
Merge pull request #101 from ppworks/fix_hashtag

Fix hashtag filter
Merge pull request #95 from Dhaulagiri/master

Add basic Instagram filter & test