Add dgrid/TouchScroll to JBrowse build profile. Fixes #505
Update release notes
Remove reference to dev computer
Update release notes
Fix spelling on name and make some more consistent wording in the release notes
track name is a condition for showing dialog

if we don't want to show dialog sequences for specific tracks
disallow zooming past 5000 base pairs

can be useful if you don't want users to be able to see fine detail