fix: added missing raven dependency (sentry)

package.json

@@ -116,6 +116,7 @@
     "pm2": "2.9.3",
     "pug": "2.0.0-rc.4",
     "qr-image": "3.2.0",
+    "raven": "2.4.1",
     "read-chunk": "2.1.0",
     "remove-markdown": "0.2.2",
     "request": "2.83.0",

yarn.lock

@@ -2126,6 +2126,10 @@ character-parser@^2.1.1:
   dependencies:
     is-regex "^1.0.3"
 
+charenc@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+
 charm@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/charm/-/charm-0.1.2.tgz#06c21eed1a1b06aeb67553cdc53e23274bac2296"
@@ -2723,6 +2727,10 @@ cross-spawn@^5.0.1, cross-spawn@^5.1.0:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+crypt@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -5028,7 +5036,7 @@ is-bluebird@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-bluebird/-/is-bluebird-1.0.2.tgz#096439060f4aa411abee19143a84d6a55346d6e2"
 
-is-buffer@^1.0.2:
+is-buffer@^1.0.2, is-buffer@~1.1.1:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
@@ -6385,6 +6393,14 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+md5@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"
+  dependencies:
+    charenc "~0.0.1"
+    crypt "~0.0.1"
+    is-buffer "~1.1.1"
+
 mdurl@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
@@ -8505,6 +8521,16 @@ range-parser@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.0.3.tgz#6872823535c692e2c2a0103826afd82c2e0ff175"
 
+raven@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/raven/-/raven-2.4.1.tgz#7a6a6ff1c42d0a3892308f44c94273e7f88677fd"
+  dependencies:
+    cookie "0.3.1"
+    md5 "^2.2.1"
+    stack-trace "0.0.9"
+    timed-out "4.0.1"
+    uuid "3.0.0"
+
 raw-body@2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
@@ -9517,6 +9543,10 @@ ssri@^5.0.0:
   dependencies:
     safe-buffer "^5.1.0"
 
+stack-trace@0.0.9:
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.9.tgz#a8f6eaeca90674c333e7c43953f275b451510695"
+
 stack-trace@0.0.x, stack-trace@~0.0.9:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
@@ -9848,6 +9878,10 @@ through@2, through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
+timed-out@4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
+
 timers-browserify@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.4.tgz#96ca53f4b794a5e7c0e1bd7cc88a372298fa01e6"
@@ -10203,6 +10237,10 @@ utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
 
+uuid@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.0.tgz#6728fc0459c450d796a99c31837569bdf672d728"
+
 uuid@3.2.1, uuid@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"