Storage permission dispatcher (#33)

- storage permissions request updated
 - test suite expanded

app/build.gradle

@@ -166,4 +166,10 @@ dependencies {
     androidTestImplementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     / * screenshot library */
     androidTestImplementation 'tools.fastlane:screengrab:2.1.1'
+    / * Permissions dispatcher * /
+    def dispatcher_ver = "4.9.2"
+    implementation "com.github.permissions-dispatcher:permissionsdispatcher:${dispatcher_ver}"
+    kapt "com.github.permissions-dispatcher:permissionsdispatcher-processor:${dispatcher_ver}"
+    / * Date utils * /
+    implementation 'net.danlew:android.joda:2.12.5'
 }