Merge pull request #52 from vmarmol/fixes

Adding Apache license to all files missing it
Add version information for components we depend on.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge remote-tracking branch 'upstream/master'

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Add cadvisor version to VersionInfo.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge pull request #53 from rjnagal/master

Add version information for components we depend on.
Merge pull request #54 from rjnagal/master

Add cAdvisor version to VersionInfo.
storage
stats processor
stats writers
rename
remove statsproc
remove storage factory
 gofmt -r "WriteStats->AddStats"
Merge pull request #51 from monnand/storage

Storage backend for stats
Renaming StatsSummary to StatsPercentiles