GitLab

- Handle projects the user is not a member any more
- Improve project adapter normalization
- Update overquota warning when project.{is_member,is_active} changes

- Set If-Modified-Since headers if applicable.

  * Optional for adapters which have setIfModifiedSince property set
    to true.
  * Can be overriden using update argument in several store/adapter
    methods.

- Delete missing records for findAll record arrays.
- Fix refresh task stop bug.
- Refactor misplaced store methods away from base adapter.

Add header and explanatory text.

- Replace "x" sign with trash icon
- Use variables of colors for font, background and borders

Separate the background color of buttons 'Upload' and 'New Container'
from the danger and info colors.

* Modify the height of the error/info area beneath the inputs
* Set the color of info/error area by using theme colors

Polyfills for String.includes, Array.includes, String.repeat.

- Improve style
- Refactor code
- Modify the location of data in usage overlay

In the usage overlay:

Add color to represent if the usage:
- is more then the limit
- if the usage is or approaches the maximum available

In containers' view (list and grid):
Add in container in each container a label when its project is overquota.

ContainersController projectsLoading property is not necessary

Container's project reassign list now contains not only the projects
with free diskspace more than the container's size but also the actual
project that the container belongs to regardless of its free space