Updated a comment.

Review: https://reviews.apache.org/r/10255

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464746 13f79535-47bb-0310-9956-ffa450edef68
Removed 'using' directive from header.

Review: https://reviews.apache.org/r/10256

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464747 13f79535-47bb-0310-9956-ffa450edef68
Removed more polluting 'using' directives.

Review: https://reviews.apache.org/r/10257

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464748 13f79535-47bb-0310-9956-ffa450edef68
Removed unused instance variable.

Review: https://reviews.apache.org/r/10258

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464749 13f79535-47bb-0310-9956-ffa450edef68
Removed unnecessary calls to virtual functions.

Review: https://reviews.apache.org/r/10259

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464751 13f79535-47bb-0310-9956-ffa450edef68
Fixed syntax formatting.

Review: https://reviews.apache.org/r/10260

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464752 13f79535-47bb-0310-9956-ffa450edef68
Removed unused FrameworksManager and FrameworksStorage.

Review: https://reviews.apache.org/r/10261

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464753 13f79535-47bb-0310-9956-ffa450edef68
Added FutureArg<N> and FutureArgField<N> gmock actions.

Review: https://reviews.apache.org/r/10262

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464754 13f79535-47bb-0310-9956-ffa450edef68
Replaced some instances of triggers and SaveArg<N> gmock actions with
new FutureArg*<N> gmock actions from libprocess.

Review: https://reviews.apache.org/r/10263

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464755 13f79535-47bb-0310-9956-ffa450edef68
Added and used new Cluster abstraction for testing.

Review: https://reviews.apache.org/r/10264

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464756 13f79535-47bb-0310-9956-ffa450edef68
Redesigned and implemented mechanisms for filtering messages,
dispatches, etc, in tests. Deprecated EXPECT_MESSAGE/DISPATCH for
FUTURE_MESSAGE/DISPATCH.

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464757 13f79535-47bb-0310-9956-ffa450edef68
Created FUTURE_PROTOBUF and used new FUTURE_MESSAGE and
FUTURE_DISPATCH in some of the tests.

git-svn-id: https://svn.apache.org/repos/asf/incubator/mesos/trunk@1464758 13f79535-47bb-0310-9956-ffa450edef68