added profile description editing, fixed light theme and viewer caching

app/server/graphql/schema.graphql

@@ -25,6 +25,7 @@ type Mutation {
   reviewUpdate(input: ReviewUpdateInput!): Review!
   reviewDelete(id: ID!): Void
   ratingSet(input: RatingSetInput!): Void
+  userUpdate(input: UserUpdateInput!): User!
 }
 
 input SignUpInput {
@@ -63,6 +64,11 @@ input UserOneInput {
   username: String
 }
 
+input UserUpdateInput {
+  id: ID!
+  description: String
+}
+
 input PaginationFilterInput {
   terms: String
   offset: Int