A small utility library to hide all the horrors of JNI API.

Changelog:

===> Version 1.1.0:

• Java array support (arrays like 'int[]')
• Static native methods registration
• LocalReferenceFrame - class to automatically free local references
• Java string utility function (transformations from and to std::string)
• Removed 'this' pointer from 'JavaObjectWrapper' class constructor
• Reworked custom java classes internal representation
• Reworked type deduction system
• Reworked file structure
• Renamed to 'JNIHelper'

===> Version 1.0.1:

• JavaObjectWrapper class

===> Version 1.0.0:

• Basic functionality to call java methods from C++