java: Changed size_t and unsigned int to int in array declarations. Renamed buf to buffer where necesarry. Moved most Java array typemaps to java_buffer.i. Fixed some String buffers.

Signed-off-by: Petre Eftime <petre.p.eftime@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

Conflicts:
	src/upm.i

src/hmtrp/javaupm_hmtrp.i

@@ -2,6 +2,7 @@
 %include "../upm.i"
 %include "stdint.i"
 %include "typemaps.i"
+%include "../java_buffer.i"
 
 %apply uint32_t *OUTPUT { uint32_t *freq, uint32_t *dataRate };
 %apply uint16_t *OUTPUT { uint16_t *rxBandwidth };