Update android SDK tools && bump version

android/build.gradle

@@ -1,12 +1,21 @@
 apply plugin: 'com.android.library'
 
+def safeExtGet(prop, fallback) {
+    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
+}
+
+def DEFAULT_COMPILE_SDK_VERSION = 26
+def DEFAULT_BUILD_TOOLS_VERSION = "26.0.3"
+def DEFAULT_MIN_SDK_VERSION = 16
+def DEFAULT_TARGET_SDK_VERSION = 22
+
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion safeExtGet('compileSdkVersion', DEFAULT_COMPILE_SDK_VERSION)
+    buildToolsVersion safeExtGet('buildToolsVersion', DEFAULT_BUILD_TOOLS_VERSION)
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 25
+        minSdkVersion safeExtGet('minSdkVersion', DEFAULT_MIN_SDK_VERSION)
+        targetSdkVersion safeExtGet('targetSdkVersion', DEFAULT_TARGET_SDK_VERSION)
         versionCode 1
         versionName "1.0"
         ndk {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-geocoder",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "react native geocoding and reverse geocoding",
   "main": "index.js",
   "scripts": {