Add security enable/disable/status commands
Support for riak-admin repair-2i

Conflicts:
	rel/files/riak-admin
Rename/refactor a bunch of cuttlefish settings.

* Update a bunch of docstrings.
* Added 'log.crash' setting which can disable the crash log.
* log.crash.msg_size -> log.crash.maximum_message_size
* log.crash.date -> log.crash.rotation
* log.crash.count -> log.crash.rotation.keep (also made 'current' a
  possible option, which is equivalent with 0)
* Made log.error.redirect and log.error.messages_per_second advanced
  settings
The default value has to be the first datatype.
Merge pull request #453 from basho/refactor/confbal/cuttlefish-schema

Rename/refactor a bunch of cuttlefish settings.
Add 'blockdev' output for all mount points with leading slash

From a recent Tweet of mine:

    # blockdev --getra /dev/md2
      327680

    160MByte read-ahead at the block device level? Really? REALLY??  #INCOHERENTRAGE
Add cluster-info output to Riak commands list
Add alter-user, del-user and del-source to riak-admin security
Address review comments
Merge pull request #459 from basho/feature/2i-1.4.4

Support for riak-admin repair-2i
Merge pull request #434 from basho/adt-security-admin

Add alter-user, del-user and del-source to riak-admin security
Merge pull request #420 from basho/adt-security-enable

Add security enable/disable/status commands
Add ciphers command
Merge pull request #450 from basho/adt-cipher-suites

Add ciphers command
Roll riak version 2.0.0pre8
Update lock file for 2.0.0pre8
Review: Add 'local' to cluster-info invocation
Merge pull request #456 from basho/slf-riak-debug-additions

Riak debug additions
Typo fix in riak-debug
Turn on leveldb developer mode when building devrels