title: When I try to enable multidex gradle indicates version conflict for support library
body: <p>I tried to enable multidex in gradle file, But I faced the following error:</p>
  
  <p><a href="https://i.stack.imgur.com/XVCfw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XVCfw.png" alt="enter image description here"></a></p>
  
  <p><strong><em>I NEVER EVER have used something with version 25.2.0 !</em></strong>
  Why it keeps nagging about this conflict? I checked several times. And I didn't find any usage of 25.2.0 libraries in my project.</p>
  
  <p>Full list of dependencies from app module:</p>
  
  <pre><code>dependencies {
  compile fileTree(include: ['*.jar'], dir: 'libs')
  compile project(path: ':vaslibrary')
  compile 'uk.co.chrisjenx:calligraphy:2.2.0'
  compile 'com.jaredrummler:material-spinner:1.1.0'
  compile 'com.android.support:multidex:1.0.1'
  testCompile 'junit:junit:4.12'
  </code></pre>
  
  <p>}</p>
  
  <p>In vaslibrary I have these dependencies:</p>
  
  <pre><code>dependencies {
  compile 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
  testCompile 'junit:junit:4.12'
  compile 'com.google.code.gson:gson:2.7'
  compile 'com.squareup.retrofit2:retrofit:2.1.0'
  compile 'com.squareup.retrofit2:converter-gson:2.1.0'
  compile('com.squareup.retrofit2:converter-simplexml:2.1.0') {
      exclude group: 'xpp3', module: 'xpp3'
      exclude group: 'stax', module: 'stax-api'
      exclude group: 'stax', module: 'stax'
  }
  compile 'com.squareup.picasso:picasso:2.5.2'
  compile 'io.fotoapparat.fotoapparat:library:1.0.4'
  compile 'me.dm7.barcodescanner:zxing:1.9.3'
  compile 'com.google.android.gms:play-services-maps:10.2.4'
  compile 'com.google.android.gms:play-services-location:10.2.4'
  compile 'com.google.firebase:firebase-core:10.2.4'
  compile 'com.google.firebase:firebase-messaging:10.2.4'
  compile 'io.nlopez.smartlocation:library:3.3.1'
  compile 'com.github.PhilJay:MPAndroidChart:v3.0.2'
  compile 'com.hlab.fabrevealmenu:fab-reveal-menu:1.0.2'
  compile 'com.android.support:appcompat-v7:25.3.1'
  compile 'com.android.support:recyclerview-v7:25.3.1'
  compile 'com.android.support:gridlayout-v7:25.3.1'
  compile 'com.android.support:design:25.3.1'
  compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:2.0.1'
  compile 'com.squareup.retrofit2:retrofit:2.1.0'
  compile 'com.squareup.retrofit2:converter-gson:2.1.0'
  compile 'com.jakewharton.timber:timber:4.5.1'
  compile 'com.mohamadamin:persianmaterialdatetimepicker:1.2.1'
  compile files('libs/BixolonPrinterV230.jar')
  compile 'com.github.mancj:SlideUp-Android:2.2.3'
  </code></pre>
  
  <p>}</p>