Add LimitCpuRequest to warden protocol

[#62173454]

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Dispatch LimitCpuRequest

Configure cgroup cpu.shares to set cpu limit for a container.

[#62173454]

Signed-off-by: Eric Malm <emalm@pivotallabs.com>
Revert "Increase niceness of warden containers by 10"

This reverts commit 7a47c4bf7317b4d1c24f3be449d1cb08a600a4d0.

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Add Trusty to supported releases of setup_fs_ubuntu

Signed-off-by: Casey McTaggart <cmctaggart@pivotallabs.com>
updated license and notice file
Register container grace timers on warden restart

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Register the client with all containers on reconnect

[#62709652]

Signed-off-by: Alex Choi, achoi <a.achoi@pivotallabs.com>
Move the checks for number of connections into setup_grace_timer

The public setup_grace_timer should take care of checks before firing
timer.

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Fix failing nested warden tests.

Recently published Bundler 1.5.1 gem tries to create a .bundle/install.log file
on a read-only filesystem, generating an error:

Errno::EROFS: Read-only file system - /warden/.bundle

Fixes #46
Merge pull request #47 from cf-commercial/fix_nested_warden_tests

Fix failing nested warden tests.
Add wait time to pidfile test to avoid race condition

Signed-off-by: Eric Malm <emalm@pivotallabs.com>
Merge pull request #45 from rogerluo410/master

updated license and notice file