Added Basal Icicle mode; store basal mode in localstorage

[jasoncalabrese]

Instead of a select or checkbox we did this:

[codecov-io]

Current coverage is 84.49%

Merging #1261 into dev will increase coverage by +0.10% as of 50e4a26

@@              dev   #1261   diff @@
=====================================
  Files          79      79       
  Stmts        6096    6096       
  Branches        0       0       
  Methods         0       0       
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+ Hit          5145    5151     +6
  Partial         0       0       
+ Missed        951     945     -6

Review entire Coverage Diff as of 50e4a26

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Uncovered Suggestions

1. +0.20% via .../js/profileeditor.js#324...335
2. +0.18% via .../js/profileeditor.js#269...279
3. +0.17% via .../report/js/report.js#259...268
4. See 7 more...

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[bewest]

There's some regression in dev (before this patch) but before 5dc49692432229892613fb022c9aa176eb62f5ff in wip/increase-upload-limit which is preventing temp basals from being displayed.

[bewest]

Comments are that on laptop/desktop the selector is extremely small. Otherwise it's pretty awesome to have multiple choices here.

[jasoncalabrese]

Think we need to open a panel instead of trying to use a select for this, maybe something simple like we do for snoozing alarms.

[bewest]

[bewest]

Looks great:

Working great:

[bewest]

Err, here's one with the right screenshot: