Merge pull request #368 from rjnagal/diskinfo

Add a disk map to machine info.
Better handling of empty filesystems.
Caches container info for 5 seconds before updating it
Merge pull request #367 from kateknister/master

Caches container data for 5 seconds before updating it
Merge pull request #369 from vmarmol/fix

Better handling of empty filesystems.
Handle old versions of the libcontainer config.

Libcontainer recently changed its config by changing the type of a
field. This commit tries parsing the config as the new and old types.
Merge pull request #370 from vmarmol/old-libcontainer

Handle old versions of the libcontainer config.
Add testify/require to godeps
Refactoring Docker integration test.

Uses assert and require. Moves common components to a common file for
reuse.
cAdvisor 0.7.0.
Merge pull request #373 from vmarmol/release

cAdvisor 0.7.0.
Merge pull request #372 from vmarmol/integration3

Refactoring Docker integration test.
Add cpu frequency to machine info.
Merge pull request #375 from rjnagal/cpu

Add cpu frequency to machine info.
Check filesystem before accessing it in UI.

Fixes #377.
Simplify handling of progress bars and humanized values.

Fixes #378.
Merge pull request #380 from vmarmol/release

Check filesystem before accessing it in UI.
Merge pull request #381 from vmarmol/ui

Simplify handling of progress bars and humanized values.
Add cpu topology information to machine endpoint.
Merge pull request #382 from rjnagal/cpu

Add cpu topology information to machine endpoint.