add auto scroll screenshots feature
fixed stylesheets typo
fixed endless loop bug when template contains unclosed curly brace
add maxinstance in config
update video in readme
Merge pull request #3 from owenyang0/auto-scroll-screenshots

Auto scroll screenshots
Merge pull request #4 from owenyang0/endless_loop_fix

Endless loop fix
Merge pull request #1 from winsonwq/master

upmerge