Use new container based Travis-CI
Merge pull request #1285 from methane/patch-4

Use new container based Travis-CI
fix typo
Merge pull request #1292 from moonshadow/fix_typo

fix typo
Fixed #1288: app.add_url_rule() should look for OPTIONS methods in a case-insensitive manner
Merge pull request #1290 from mhall1/ticket_1288

Fixed #1288: app.add_url_rule() should look for OPTIONS methods in a case-insensitive manner
Add changelog for #1288
Hide a few traceback frames from the cli interface.