ACCUMULO-2818 Create standard keystore for Jetty

  Ensure keystore password is the same as the password for the default key it
  holds. Remove extraneous parameter for truststore generation.
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2762 Use more compiler optimizations for 1.5 native lib
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT -sours
ACCUMULO-2762 Use all optimizations by default
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2812 Pass options to compiler for native lib

  Use system default architecture options when compiling, instead of forcing
  -m64. Allow passing additional arguments (USERFLAGS) to specify additional
  compiler options. Set USERFLAGS with the build_native_library.sh's
  command-line arguments.
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2821 Add/Update docs for building native lib
Merge branch '1.6.1-SNAPSHOT'

Conflicts:
	docs/src/main/asciidoc/chapters/administration.txt