added pipeline stats
note to modify script variable, closes #164
Changed Backups.md to use force-update post 1.2

Added a version section for post-1.2 which uses the `riak-admin cluster
force-replace` syntax instead of the deprecated `riak-admin reip` scheme
for remaned nodes.
Reworked example lead-in paragraph
Added an FAQ entry for when Map/Reduce emits a list of 2 tuples as a hash. Fixes #154.
Updated contents of Community Projects documentation page.
Merge branch 'master' into pipeline-stats-jbs
Merge branch 'master' into cs-accounts-jbs
Merge remote-tracking branch 'source/master'
merge master
Merge pull request #162 from basho/pipeline-stats-jbs

added pipeline stats
Merge pull request #165 from basho/cs-accounts-jbs

note to modify script variable, closes #164
Merge pull request #166 from angrycub/master

Backups cookbook to use `force-replace` for riak 1.2
Merge pull request #167 from hectcastro/community-projects

Community Projects
Merge pull request #168 from hectcastro/map-reduce-returning-json

Added an FAQ entry for when Map/Reduce emits a hash for a list of 2 tuples
Mention committing nodes to join process
Merge pull request #153 from basho/commit_nodes

riak-admin cluster commit not mentioned in "adding nodes" section.
Merge branch 'master' into release-notes