Update dependencies

app/build.gradle

@@ -29,13 +29,13 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:recyclerview-v7:27.0.2'
-    compile 'com.android.support:appcompat-v7:27.0.2'
-    compile 'com.android.support:design:27.0.2'
+    compile 'com.android.support:recyclerview-v7:27.1.0'
+    compile 'com.android.support:appcompat-v7:27.1.0'
+    compile 'com.android.support:design:27.1.0'
     compile 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
     compile 'me.dm7.barcodescanner:zxing:1.9'
-    compile 'com.android.support:cardview-v7:27.0.2'
-    compile 'com.android.support:support-v4:27.0.2'
+    compile 'com.android.support:cardview-v7:27.1.0'
+    compile 'com.android.support:support-v4:27.1.0'
     compile 'com.yarolegovich:lovely-dialog:1.0.4'
     compile 'com.mattprecious.swirl:swirl:1.0.0'
     compile 'com.madgag.spongycastle:core:1.56.0.0'

app/src/main/java/me/impy/aegis/db/DatabaseManager.java

@@ -14,8 +14,6 @@ import java.io.IOException;
 import java.util.List;
 
 import me.impy.aegis.BuildConfig;
-import me.impy.aegis.crypto.CryptParameters;
-import me.impy.aegis.crypto.CryptResult;
 import me.impy.aegis.crypto.MasterKey;
 
 public class DatabaseManager {