2.1.3

Improve | colors of math expressions syntax highlighting

Fix | writing bold and italic in tables breaks cursor position
Fix | clicking on internal document link under Windows pops an error alert
Fix | images in document can cause blurry text and 1px empty lines in selection and code blocks
Fix | images aren't scaled to fit the entire text width
Fix | writing space in a middle of a table cell increases right padding incorrectly
Fix | last whitespace character in a link displayed as %20 in preview when certain characters used in previous links #367
Fix | window scroll position wrong in typewriter mode after embedded image #364
Fix | having pdf page break +++ and footnote in a single document breaks preview #360