controller: Implement app name generator

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
appliance/etcd: Bump etcd to v0.4.6

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
Merge pull request #45 from flynn/name-generator

controller: Implement app name generator
Godeps: Update etcd import

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Merge pull request #49 from flynn/godeps-etcd

Godeps: Update etcd import
all: Unify random string generation into a single package

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
all: Use CSPRNG for random numbers

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>