vpc-ha  fix env
Merge branch 'master' into vpc-ha
set javahome for ec2 commands
update attribute description
use correct attribute name.
first commit on db_percona
update repositories to install packages
add new action for install_repos provider
add new action for install_repos provider
change provider and cookbook name
correct naming
define the provider
fix naming
correct supported version name for gem
add link to for mysql -> mysqld 
remove pre_backup_check
rename definitions to db_percona
fix mysqld link
remove pre_restore_check.  not supported