Add support for building with Travis

- Add build script (.travis.yml) for travis-ci.org support.
- Updates android/build.gradle to make linter errors non-fatal.
- Adds script to launch and wait for emulator image.
Adding clarification to README.
Small tweak to README.

To clarify that this repository is a replacement
for the old one at code.google.com/p/iosched.
Removing unnecessary newline.
Small tweak to README.

To clarify that this repository is a replacement
for the old one at code.google.com/p/iosched.
Merge pull request #7 from btco/readme-tweaks-2

Small tweak to README.
Merge remote-tracking branch 'upstream/master'
Posting the L-Preview APK and new README.
Merge pull request #8 from btco/io14-apk

Io14 apk
Merge pull request #5 from tjohns/travis

Add support for building with Travis
Merge pull request #3 from tjohns/master

Change 2014 to 2013 in Italian translation
Adding missing copyright notice to .travis.yml.
Merge pull request #13 from btco/master

Adding missing copyright notice to .travis.yml.
Publishing the I/O 2014 source.
Merge pull request #14 from btco/master

Publishing the I/O 2014 source.
Adding hero image.
Merge pull request #15 from btco/master

Adding hero image.
Open source a bunch of source artwork
Merge pull request #16 from romannurik/master

Open source a bunch of source artwork