Merge pull request #1 from jaypipes/galera

Adds Galera server clustering mysql recipe
Merge pull request #2 from jaypipes/galera

Fixes found during initial debugging...
Merge pull request #3 from jaypipes/galera

More fixes found trying to start up the Galera cluster
Merge pull request #4 from jaypipes/galera

Fixed problem with wsrep_sst_auth
Merge pull request #5 from jaypipes/galera

Bunch of fixes plus role-based cluster management
Merge and refactor last version of galera cookbook. Add scheme of cluster create.
Add bunch of fixies.
* Refactor master and simple galera nodes setup.
* Add notes form Jay.
Syntax error in resource name.
Bug fixes.
* Fixed bash scrips.
* Added mysql credentials.
* A lot syntax errors fixes.
Block of fixes.

* Fix command line for cluster create.
* Move some blocks from if..then.. construction.
* Re-define default attr for bind_address and
* Added unstaged files in commit. (minor fix)
Fix few syntax bugs.
Reduce count of steps for cluster init.
Work commit. Need to clean of unused blocks.
Test commit for mysql service start without checks on non-references nodes.
Add debug output for sync check.
Rollback mysql ipaddress attr.
Move ipaddress to the galera attributes file.
Block of improvements.
*Add new library for search.
*Remove unused stuff.
*Minor fixes.
Fix syntax error in module declaration.
Add lost attribute in function.