Intellij support (#305)

* fix unable to find developer-config xml when building the project

* fix javadoc generation issue (unmappable character for encoding ASCII)

Author: Guardiola31337

mapbox/app/gradle-config.gradle

@@ -3,7 +3,7 @@
 //
 
 task accessToken {
-  def tokenFile = new File("app/src/main/res/values/developer-config.xml")
+  def tokenFile = new File("${projectDir}/src/main/res/values/developer-config.xml")
   if (!tokenFile.exists()) {
     String tokenFileContents = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
             "<resources>\n" +

mapbox/libjava-services/src/main/java/com/mapbox/services/api/staticimage/v1/MapboxStaticImage.java

@@ -179,7 +179,7 @@ public Builder setZoom(double zoom) {
     }
 
     /**
-     * Optionally, bearing rotates the map around its center. A value of 90 rotates the map 90°
+     * Optionally, bearing rotates the map around its center. A value of 90 rotates the map 90
      * to the left. 180 flips the map. Defaults is 0.
      *
      * @param bearing double number between 0 and 360, interpreted as decimal degrees.