Clean up and modernize code

[nlebeck]

This pull request:

• Converts the core Sapphire library and example apps to Android Studio projects
• Adds Harmony RMI source file dependencies to the core Sapphire library
• Adds support for compiling the core Sapphire library and example apps for x86 with Maven
• Updates the deployment and stub generation scripts to use the x86 build of Sapphire

With this pull request, new users should be able to compile and run Sapphire "out-of-the-box" on an x86 Linux machine.