Lint fixes.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1761 c400ca83-b69d-9dd7-9705-49c6b8615e23
More lint fixes.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1762 c400ca83-b69d-9dd7-9705-49c6b8615e23
Enable vertical scrolling of flyouts by dragging workspace.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1763 c400ca83-b69d-9dd7-9705-49c6b8615e23
Fix wiki link, remove unneeded check in generators.

git-svn-id: http://blockly.googlecode.com/svn/trunk@1764 c400ca83-b69d-9dd7-9705-49c6b8615e23