resolved https://wso2.org/jira/browse/CARBON-14916
Log appenders are moved to org.wso2.carbon.utils.logging.appenders package within the carbon utils bundle
getTenantAwareLogEvent method added to LoggingUtils which returns a TenantAwareLoggingEvent that wraps the passed LoggingEvent with tenant specific tenantId and serviceName
subAppend method is overriden to use the tenant aware logging event to append to the log
Negated exporting org.wso2.carbon.logging.appenders.internal package
Added comments to describe overridden subAppend method.
Fixing CARBON-14564 - Ant localize task error when multiple resources files are present
Merge pull request #57 from GayashanNA/CARBON-14867

Adding fix for Carbon 14867 - Make carbon logging appenders tenant aware
Fix for CARBON-14767
Fixing CARBON-14807 - Logging incorrect tenant ID in wso2carbon.log
Merge branch 'master' of https://github.com/wso2-dev/carbon4-kernel

Conflicts:
	core/org.wso2.carbon.user.core/src/main/java/org/wso2/carbon/user/core/common/AbstractUserStoreManager.java
Merge pull request #78 from GayashanNA/CARBON-14564

Fixing CARBON-14564 - Ant localize task error when multiple resources files are present
Refactored the fix
Merge branch 'isuruwan-master'
Merge pull request #67 from IsuraD/master

resolved https://wso2.org/jira/browse/CARBON-14916
Merge pull request #81 from arunasujith/master

Fix for CARBON-14767
Merge pull request #80 from GayashanNA/CARBON-14807

Fixing CARBON-14807 - Logging incorrect tenant ID in wso2carbon.log
Performance improvements for caching
Merge pull request #82 from thanujalk/master

Performance improvements for caching
Merge remote-tracking branch 'upstream/master'