Adds tabview and readme to bundle detail view

Adds tabview and readme to bundle detail view

Clicking on the bundle token to display the bundle details
now shows the details in a tabview.

This branch also hooks up the 'readme' tab.

https://code.launchpad.net/~hatch/juju-gui/bundle-detail-tabs/+merge/189898

(do not edit description out of merge proposal)

[jeff.pihach, 2013-10-08 15:54:54]

Please take a look.

[rharding, 2013-10-08 16:40:39]

There's a missing test for the readme which should be copied from the charm
version of the details page to make sure it's loaded/rendered given a fake'd
store with a readme data. 

Notes below on ugh for ATTR and such. Will leave the approval to the official
reviewer/qa'er. Just my drive by notes.

https://codereview.appspot.com/14531046/diff/1/app/models/bundle.js
File app/models/bundle.js (right):

https://codereview.appspot.com/14531046/diff/1/app/models/bundle.js#newcode69
app/models/bundle.js:69: entityType: {
Shouldn't these be non-attrs like the NAME property of classes in YUI?

https://codereview.appspot.com/14531046/diff/1/app/models/charm.js
File app/models/charm.js (right):

https://codereview.appspot.com/14531046/diff/1/app/models/charm.js#newcode375
app/models/charm.js:375: value: 'charm'
same, they'll never be changed via code.

https://codereview.appspot.com/14531046/diff/1/test/test_model.js
File test/test_model.js (right):

https://codereview.appspot.com/14531046/diff/1/test/test_model.js#newcode744
test/test_model.js:744: it('has an entity type attribute', function() {
boooo for ATTR here

[matthew.scott, 2013-10-08 16:41:01]

LGTM

https://codereview.appspot.com/14531046/diff/1/app/models/bundle.js
File app/models/bundle.js (right):

https://codereview.appspot.com/14531046/diff/1/app/models/bundle.js#newcode67
app/models/bundle.js:67: @default 'charm'
@default 'bundle'?

[jeff.pihach, 2013-10-08 22:10:24]

Please take a look.

[jeff.pihach, 2013-10-08 22:27:12]

*** Submitted:

Adds tabview and readme to bundle detail view

Clicking on the bundle token to display the bundle details
now shows the details in a tabview.

This branch also hooks up the 'readme' tab.

R=rharding, matthew.scott
CC=
https://codereview.appspot.com/14531046