updating the slovak translation

app/src/main/res/values-sk/strings.xml

@@ -3,11 +3,11 @@
     <string name="app_launcher_name">Kalkulačka</string>
 
     <!-- Settings -->
-    <string name="vibrate_on_button_press">Vibrate on button press</string>
+    <string name="vibrate_on_button_press">Vibrovať pri stlačení tlačidla</string>
 
     <!-- FAQ -->
-    <string name="faq_1_title">How does the C (Clear) button work?</string>
-    <string name="faq_1_text">Tapping on it will remove one character at a time. Long pressing it will reset all fields at once.</string>
+    <string name="faq_1_title">Ako funguje tlačidlo C?</string>
+    <string name="faq_1_text">Jedným stlačením viete vymazať 1 znak. Dlhé podržanie vymaže všetky polia naraz.</string>
 
     <!-- Strings displayed only on Google Playstore. Optional, but good to have -->
     <!-- Short description has to have less than 80 chars -->

build.gradle

@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.1.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong