Bump journalmanager dependency (fixes crash in login page).

The login page was crashing when you were putting the app in the background.
This is because the userinfo class wasn't serializable. This was fixed in
the newer version of the journalmanager library.

app/build.gradle

@@ -133,7 +133,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "org.jetbrains.anko:anko-commons:0.10.4"
 
-    implementation "com.etesync:journalmanager:1.0.2"
+    implementation "com.etesync:journalmanager:1.0.4"
 
     def acraVersion = '5.3.0'
     implementation "ch.acra:acra-mail:$acraVersion"