add ability to open task view by tap rather than having to always hold

I think this works. It really makes it less likely to misclick.
Know of any ionic class to get the original white-filled checkbox? ([original/desired](http://gyazo.com/9bfa123a54bc0fdef77e603d488a1147), [this PR](http://gyazo.com/096886936f5227e4a6e4001c65b0014a)). Not a biggy if not