Fixup trove screens for Bootstrap 3 changes

Changed row-fluid
Selected new icons in a few places
Cleanup html for details pages
Added default button to resize dialog

Change-Id: I80fbccf77e6a27a51f84dd55cab7944f23d38d66
Closes-Bug: #1350514
Handle TypeError from table column summation code

This commit catches TypeError from horizon.tables.Column
summation calculation. This TypeError is caught inside Django
until Django 1.6, but Django 1.7 code is refined to catch
more specific case and it leads to horizon unit test failure.

Closes-Bug: #1355939
Change-Id: I9d5b4565f1238a9880ccf117f2ea623fed466a44
Barchart popup window position is broken

Barchart popup window position is broken with new styles,
need to compute it different way.
Also position while scaling was broken, fixing it too.

Closes-Bug: #1353918
Change-Id: I0151a0b93b8350e4ca3dbe429db66b6171b9d459
Add quota validation to volume extending size

We should validate extending size before handle the action
like create volume.

Change-Id: Ibc9f75d7b331e091af813a27ec5b0b68d7855e5d
Closes-Bug: #1285922
Fix alert styling using "error" instead of "danger".

There is no "alert-error" style, only "alert-danger" so rewrite the type
to "danger" for correct styling.

Change-Id: Ie812d5bbbbd84a1e9c6d94876c8726124d4fc4e9
Closes-Bug: 1362943
Translation feedback - Correction/update of help texts

During the translations it turned out that some help texts
are not correct or can be improved.

Change-Id: I006d589ca524204a3c677bd8b76687a313d14d47
Closes-Bug: #1367103
fix the logic of api.lbaas._pool_list

When the subnet is deleted first, _pool_list will access cidr from
a None object. As a result, a unexpected exception is thrown.

Change-Id: Iceb9dea1b0e8bab9ca54dfcdd2bf664c8677e0f2
Related-Bug: #1367615
Merge "Fix alert styling using "error" instead of "danger"."
Merge "Handle TypeError from table column summation code"
Merge "Add quota validation to volume extending size"
Merge "Translation feedback - Correction/update of help texts"
Merge "fix the logic of api.lbaas._pool_list"
Merge "Fixup trove screens for Bootstrap 3 changes"
Merge "Barchart popup window position is broken"