Unlimited number of poll options (#1340)

* implement unlimited number of poll options

* fixes

* extract percent calculation into function so it can be used anywhere

* add license header

app/src/main/java/com/keylesspalace/tusky/entity/Poll.kt

@@ -2,7 +2,6 @@ package com.keylesspalace.tusky.entity
 
 import com.google.gson.annotations.SerializedName
 import java.util.*
-import kotlin.math.roundToInt
 
 data class Poll(
         val id: String,
@@ -31,12 +30,4 @@ data class Poll(
 data class PollOption(
         val title: String,
         @SerializedName("votes_count") val votesCount: Int
-) {
-    fun getPercent(totalVotes: Int): Int {
-        return if (votesCount == 0) {
-            0
-        } else {
-            (votesCount / totalVotes.toDouble() * 100).roundToInt()
-        }
-    }
-}
+)