Fixed full changelog dialog
Fixed for latest Android SDK updates
Updated APL version and released on Maven
Merge branch 'hotfix/2.15.13' of https://bitbucket.org/shouldit/android-proxy into hotfix/2.15.13

* 'hotfix/2.15.13' of https://bitbucket.org/shouldit/android-proxy:
  Fixed full changelog dialog
Create .travis.yml
Update .travis.yml
Added latest version of build-tools
Update circle.yml
Update .travis.yml
Switched platform-tools with tools dependencies order
Incremented buildToolsVersion to 20.0.0
Merge branch 'hotfix/2.15.13' of https://github.com/shouldit/android-proxy into hotfix/2.15.13

# By Marco Pagliari
# Via Marco Pagliari
* 'hotfix/2.15.13' of https://github.com/shouldit/android-proxy:
  Switched platform-tools with tools dependencies order
  Update .travis.yml
  Update circle.yml
Preparing for release of 2.15.13
Added null exception check
Added comment to circle ci config
Merge branch 'hotfix/2.15.13' of https://github.com/shouldit/android-proxy into hotfix/2.15.13

# By Marco Pagliari
# Via Marco Pagliari
* 'hotfix/2.15.13' of https://github.com/shouldit/android-proxy:
  Added comment to circle ci config
Merge branch 'hotfix/2.15.13' into develop

* hotfix/2.15.13:
  Added comment to circle ci config
  Added null exception check
  Preparing for release of 2.15.13
  Incremented buildToolsVersion to 20.0.0
  Switched platform-tools with tools dependencies order
  Update .travis.yml
  Update circle.yml
  Added latest version of build-tools
  Update .travis.yml
  Create .travis.yml
  Fixed for latest Android SDK updates Updated APL version and released on Maven
  Fixed full changelog dialog