Spanish translation.

This most probably will need to be double-checked.
I'm a native speaker but I seldom use software translated to Spanish.
Updated android-maven-plugin to latest version
Merge pull request #118 from rdsubhas/master

Updated android-maven-plugin to latest version
Updated travis configuration
Merge pull request #119 from rdsubhas/master

Updated travis configuration
Upgraded to Android 2.3.3 and Robolectric 2.2
Disable travis email notifications
Update Travis build image
Merge pull request #120 from rdsubhas/master

Upgraded to Android 2.3.3 and Robolectric 2.2
adds checkstyle configuration to enforce coding standards.
adds pmd configuration.
adds configurating for the findbugs plugin.
adds cobertura code coverage plugin.
Merge pull request #121 from ctumwebaze/master

Code quality and Metrics Plugins
Removes the Android Integration tests and merged the parent pom to the RapidFTR--Android/pom.xml file.
Merge pull request #123 from ctumwebaze/master

Removes the Android Integration tests and merged the parent pom to the R...
Upgraded maven dependencies
Clean up SSL verification checks
Merge pull request #124 from rdsubhas/master

Clean up SSL verification checks, Allow self-signed certificates
Use older version of SSLSocketFactory in Android