ACCUMULO-1471: more doc on SortedMapIterator explaining what you want if you're just looking for a simple Map-backed Iterator

Signed-off-by: John Vines <jvines@gmail.com>
Merge branch '1.5.1-SNAPSHOT'
ACCUMULO-1309 deprecated unused addSource method
ACCUMULO-658,ACCUMULO-656 Split server into separate modules

  Separated modules include gc, monitor, master, tserver, utils, native
  library, and tracer server
ACCUMULO-210 Create separate RPMs
ACCUMULO-210 Update module descriptions and license info for RPMs
ACCUMULO-210 Include scripts in RPMs