ACCUMULO-2290 Add section to start/stop individual nodes/process
ACCUMULO-3436 Add implementation details section to manual

Only subsection of this is FATE: overview on why it exists,
very general details on how it works, and how users/admins can
interact with it via the shell.
Merge branch '1.6'

Conflicts:
	docs/src/main/latex/accumulo_user_manual/accumulo_user_manual.tex
	docs/src/main/latex/accumulo_user_manual/chapters/administration.tex
ACCUMULO-2290 Fix typo.
Merge branch '1.6'

Conflicts:
	docs/src/main/latex/accumulo_user_manual/chapters/administration.tex
ACCUMULO-2591 Ensure binary compat of TeraSortIngest across Hadoop 1/2

Use the already present reflection code to access the JobContext
in a way compatible with both hadoop 1 and 2.
Merge branch '1.6'