Bump default gems

- sentry-raven
- simple_form
- skylight
- uglifier
- fog-openstack

Gemfile.lock

@@ -296,7 +296,7 @@ GEM
       multi_json (~> 1.10)
     fog-local (0.4.0)
       fog-core (~> 1.27)
-    fog-openstack (0.1.23)
+    fog-openstack (0.1.24)
       fog-core (~> 1.40)
       fog-json (>= 1.0)
       ipaddress (>= 0.8)
@@ -403,7 +403,7 @@ GEM
       domain_name (~> 0.5)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
-    i18n (0.9.3)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     inflecto (0.0.2)
     ipaddress (0.8.3)
@@ -448,7 +448,7 @@ GEM
       activesupport (>= 4.0)
       logstash-event (~> 1.2.0)
       request_store
-    loofah (2.1.1)
+    loofah (2.2.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -510,7 +510,7 @@ GEM
       validate_email
       validate_url
       webfinger (>= 1.0.1)
-    openstack (3.3.12)
+    openstack (3.3.15)
       json
     orm_adapter (0.5.0)
     parallel (1.12.1)
@@ -532,7 +532,7 @@ GEM
       byebug (~> 9.1)
       pry (~> 0.10)
     public_suffix (3.0.1)
-    rack (2.0.3)
+    rack (2.0.4)
     rack-handlers (0.7.3)
       rack
     rack-mini-profiler (0.10.7)
@@ -670,13 +670,13 @@ GEM
     selenium-webdriver (3.8.0)
       childprocess (~> 0.5)
       rubyzip (~> 1.0)
-    sentry-raven (2.7.1)
+    sentry-raven (2.7.2)
       faraday (>= 0.7.6, < 1.0)
     sexp_processor (4.10.0)
     shellany (0.0.1)
     shoulda-matchers (3.1.2)
       activesupport (>= 4.0.0)
-    simple_form (3.5.0)
+    simple_form (3.5.1)
       actionpack (> 4, < 5.2)
       activemodel (> 4, < 5.2)
     sinatra (2.0.0)
@@ -684,7 +684,7 @@ GEM
       rack (~> 2.0)
       rack-protection (= 2.0.0)
       tilt (~> 2.0)
-    skylight (1.5.0)
+    skylight (1.5.1)
       activesupport (>= 3.0.0)
     spreadsheet_architect (1.4.8)
       axlsx (>= 2.0)
@@ -718,9 +718,9 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.1.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.4)
+    uglifier (4.1.6)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext