Update Deps + Cleanup (#1158)

* Fix Typo

* Update build.gradle

* Update Deps

* Update Tests

* Fixes Tests

Without this some tests fail on my PC...

+ also:
"Put this in your gradle.properties:

android.enableUnitTestBinaryResources=true"
from http://robolectric.org/migrating/#project-configuration

* Make everything private

* Fix Warning

* Update TimelineFragment.java

* Update build.gradle

* Update gradle-wrapper.properties

* Update gradle-wrapper.properties

* Update gradle-wrapper.properties

* Fix Compile Errors

e.g.

Type inference failed. Expected type mismatch: inferred type is Preference? but Preference was expected

Type inference failed. Please try to specify type arguments explicitly.

* fix crash

* Grandle Wrapper 5.3

* Revert "Fix Compile Errors"

This reverts commit 4a774a4fe3ce82c84bd7b4d78e1a1c64af97cd0d.

* requirePreference

* oops

* Cleanup

* Update gradle-wrapper.properties

app/src/androidTest/java/com/keylesspalace/tusky/MigrationsTest.kt

@@ -10,7 +10,7 @@ import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 
-const val TEST_DB = "mirgation_test"
+const val TEST_DB = "migration_test"
 
 @RunWith(AndroidJUnit4::class)
 class MigrationsTest {

app/src/androidTest/java/com/keylesspalace/tusky/TimelineDAOTest.kt

@@ -182,7 +182,7 @@ class TimelineDAOTest {
         return Triple(status, author, reblogAuthor)
     }
 
-    fun createPlaceholder(serverId: String, timelineUserId: Long): TimelineStatusEntity {
+    private fun createPlaceholder(serverId: String, timelineUserId: Long): TimelineStatusEntity {
         return TimelineStatusEntity(
                 serverId = serverId,
                 url = null,