Fix deprecation warnings

Author: mukel

README.md

@@ -16,8 +16,8 @@ I encourage users to report any bug or broken functionality, I'll do my best to
 
 ```scala
   resolvers += "jitpack" at "https://jitpack.io"
-  
-  libraryDependencies += "com.github.mukel" %% "telegrambot4s" % "v1.2.0"
+
+  libraryDependencies += "com.github.mukel" %% "telegrambot4s" % "v1.2.1"
 ```
 Make sure to specify scala version in your build file.
 You can also pull any branch or release from Jitpack, [check it out](https://jitpack.io/#mukel/telegrambot4s).
@@ -37,7 +37,7 @@ object SafeBot extends TelegramBot with Polling with Commands {
 }
 
 SafeBot.run()
-  
+
 ```
 
 ## Webhooks vs Polling
@@ -108,7 +108,7 @@ object WebhookBot extends TelegramBot with Webhook {
   def token = "TOKEN"
   def port = 8443
   def webhookUrl = "https://ed88ff73.ngrok.io"
-  
+
   def toL337(s: String) = s.map("aegiost".zip("4361057").toMap.withDefault(identity))
 
   override def handleMessage(message: Message): Unit = {

build.sbt

@@ -1,11 +1,13 @@
 name := "telegrambot4s"
 
-version := "1.2.0-SNAPSHOT"
+version := "1.2.1-SNAPSHOT"
 
 scalaVersion := "2.11.8"
 
 organization := "info.mukel"
 
+scalacOptions ++= Seq("-feature", "-deprecation")
+
 val akkaVersion = "2.4.8"
 
 libraryDependencies ++= Seq(

src/main/scala/info/mukel/telegrambot4s/Implicits.scala

@@ -1,5 +1,7 @@
 package info.mukel.telegrambot4s
 
+import scala.language.implicitConversions
+
 /**
   * Useful implicits to reduce boilerplate.
   */

src/main/scala/info/mukel/telegrambot4s/api/Marshalling.scala

@@ -70,7 +70,7 @@ object Marshalling {
             // Handle files
             case _: InputFile => value match {
               case InputFile.FromFile(file) =>
-                Multipart.FormData.BodyPart.fromFile(key, MediaTypes.`application/octet-stream`, file)
+                Multipart.FormData.BodyPart.fromPath(key, MediaTypes.`application/octet-stream`, file.toPath)
 
               case InputFile.FromSource(filename, contentLength, source) =>