fix DOM pointer for wrapped link in Angular 1.4

update readme and bump version

sync qrcode-generator with upstream

include UTF8 encoding support in demo

remove stray console.log

bump version

link element is now configuable

by default there is no link
add "download" attibute to enable image downloading
add "href" attibute and the qrcode will link to the value supplied

make codes downloadable

wrap canvas in a link
right-click to download fallback image

handle capcity errors monospaced#5

rewritten to make all atrributes observable

size, version, error-correction-level