Consolidating headers
Including SDK headers in source

Seems to be okay based on License agreement in SDK 5:
“You are free to copy, distribute, modify, and create
derivative works of the sample code that we provide and to redistribute
the redistributable files that are necessary for
your Application to run.”
Symlink'ing libmyo to environment var
Cleaning up POM

- Creating dylib symlink to jnilib artifact for JDK 1.7
- Define project properties for structure differences in Myo SDK