GEOMESA-356 adding label for binary format in layer previews
GEOMESA-370, GEOMESA-365, GEOMESA-372, GEOMESA-371,  GEOMESA-380

* excluding imageio, grapht
* excluding jai_imageio
* excluding jgridshift
* excluding jsr305
* including shaded jars in geomesa-assemble
* making accumulo and hadoop provided in tools
* pegging version of jackson
* pegging version of snappy