Bump material ui versions.

package.json

@@ -3,8 +3,8 @@
   "version": "0.4.0",
   "private": true,
   "dependencies": {
-    "@material-ui/core": "^3.1.2",
+    "@material-ui/core": "^3.9.2",
-    "@material-ui/icons": "^3.0.1",
+    "@material-ui/icons": "^3.0.2",
     "ical.js": "^1.2.2",
     "immutable": "^4.0.0-rc.9",
     "isomorphic-fetch": "^2.1.1",

yarn.lock

@@ -760,7 +760,7 @@
   resolved "https://registry.yarnpkg.com/@csstools/convert-colors/-/convert-colors-1.4.0.tgz#ad495dc41b12e75d588c6db8b9834f08fa131eb7"
   integrity sha512-5a6wqoJV/xEdbRNKVo6I4hO3VjyDq//8q2f9I6PBAvMesJHFauXDorcNCsr9RzvsZnaWi5NYCcfyqP1QeFHFbw==
 
-"@material-ui/core@^3.1.2":
+"@material-ui/core@^3.9.2":
   version "3.9.2"
   resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-3.9.2.tgz#41ed1a470e981d199829eb5d9317a671c66a6f7d"
   integrity sha512-aukR3mSH3g115St2OnqoeMRtmxzxxx+Mch7pFKRV3Tz3URExBlZwOolimjxKZpG4LGec8HlhREawafLsDzjVWQ==
@@ -793,7 +793,7 @@
     recompose "0.28.0 - 0.30.0"
     warning "^4.0.1"
 
-"@material-ui/icons@^3.0.1":
+"@material-ui/icons@^3.0.2":
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/@material-ui/icons/-/icons-3.0.2.tgz#d67a6dd1ec8312d3a88ec97944a63daeef24fe10"
   integrity sha512-QY/3gJnObZQ3O/e6WjH+0ah2M3MOgLOzCy8HTUoUx9B6dDrS18vP7Ycw3qrDEKlB6q1KNxy6CZHm5FCauWGy2g==