Fixed travis config after prawn update
HTML <textarea> elements are now also parsed as block level elements, fixes #147
HTML <u> elements are now recognized as span level elements, fixes #144
Add GFM, markdown and PDF options to help text
Fix word usage in math block syntax
Fix redundant regular expression
Merge branch 'master' into remino
Replace spaces next to some punctuation w/ &nbsp;
Merge branch 'spaced_punctuation' into remino