Updating issue template
Updating issue template

New issues are being opened ignoring the template entirely.  Copied and edited from Bumptech Glide's library [issue template](https://github.com/bumptech/glide/blob/master/ISSUE_TEMPLATE.md). @avluis please close any issues that have this template removed.
pratikbutani/AppIntro,PaoloRotolo/AppIntro,maxee/AppIntro,pratikbutani/AppIntro,hardikamal/AppIntro,maxee/AppIntro