Update time-grunt to v0.3.1.

BS3 commits: 30cc625c5c686f00af15a926f9437cb0e3fdff42
Update JSZip to v2.2.0.

BS3 commits: 4fb1fdbf749ca4207232c928147aa7d333655522
Add tooltip `viewport` option, respect bounds of the viewport

BS3 commits: 2b27006c717bdd1e67fc663ef5dda58b78226b63