Kafka integration (#831)

Kafka integration with Fission enables invoking a function when a message arrives in a Kafka topic

glide.lock

@@ -1,5 +1,5 @@
-hash: b26f975bf145378e939db833fa4b6a142fa04b884463d8173622b30f95191d42
-updated: 2018-08-13T13:12:57.58715-07:00
+hash: 07bc3f35b3b63ff6f15edf3b8724eb61bd6427572322fc171efbe18cec91cd9e
+updated: 2018-09-17T14:46:13.995469387+05:30
 imports:
 - name: cloud.google.com/go
   version: 3b1ae45394a234c385be014e9a488f2bb6eef821
@@ -21,12 +21,14 @@ imports:
   version: 3ac7bf7a47d159a033b107610db8a1b6575507a4
   subpackages:
   - quantile
+- name: github.com/bsm/sarama-cluster
+  version: c618e605e15c0d7535f6c96ff8efbb0dba4fd66c
 - name: github.com/coreos/etcd
   version: f87b566248bb0713a56dc55bc545aa5aad17ace0
   subpackages:
   - client
 - name: github.com/davecgh/go-spew
-  version: 346938d642f2ec3594ed81d874461961cd0faa76
+  version: 8991bc29aa16c548c550c7ff78260e27b9ab7c73
   subpackages:
   - spew
 - name: github.com/dchest/uniuri
@@ -49,6 +51,14 @@ imports:
   - internal/prefix
 - name: github.com/dustin/go-humanize
   version: 9f541cc9db5d55bce703bd99987c9d5cb8eea45e
+- name: github.com/eapache/go-resiliency
+  version: ea41b0fad31007accc7f806884dcdf3da98b79ce
+  subpackages:
+  - breaker
+- name: github.com/eapache/go-xerial-snappy
+  version: 040cc1a32f578808623071247fdbd5cc43f37f5f
+- name: github.com/eapache/queue
+  version: 093482f3f8ce946c05bcba64badd2c82369e084d
 - name: github.com/fsnotify/fsnotify
   version: c2828203cd70a50dcccfb2761f8b1f8ceef9a8e9
 - name: github.com/ghodss/yaml
@@ -137,7 +147,7 @@ imports:
 - name: github.com/modern-go/reflect2
   version: 05fbef0ca5da472bbf96c9322b84a53edc03c9fd
 - name: github.com/nats-io/go-nats
-  version: 2485387d6ede89c1c8c3445cd1935fd41a2e9ee9
+  version: fb0396ee0bdb8018b0fef30d6d1de798ce99cd05
   subpackages:
   - encoders/builtin
   - util
@@ -146,7 +156,7 @@ imports:
   subpackages:
   - pb
 - name: github.com/nats-io/nats-streaming-server
-  version: 63e2c334b66dba3edade0047625a25c0d8f18f80
+  version: 8910c0c347bc51cc87227aeb27bef19d409bf5c2
   subpackages:
   - spb
   - util
@@ -179,10 +189,14 @@ imports:
   version: 65c1f6f8f0fc1e2185eb9863a3bc751496404259
   subpackages:
   - xfs
+- name: github.com/rcrowley/go-metrics
+  version: e2704e165165ec55d062f5919b4b29494e9fa790
 - name: github.com/robfig/cron
   version: b41be1df696709bb6395fe435af20370037c0b4c
 - name: github.com/satori/go.uuid
   version: f58768cc1a7a7e77a3bd49e98cdd21419399b6a3
+- name: github.com/Shopify/sarama
+  version: a6144ae922fd99dd0ea5046c8137acfb7fab0914
 - name: github.com/sirupsen/logrus
   version: 68cec9f21fbf3ea8d8f98c044bc6ce05f17b267a
 - name: github.com/spf13/pflag