fixes needed to for the datasource deployer feature
Create README.md
https://wso2.org/jira/browse/CARBON-15003
Applying patch for CARBON-14476
Uses sh instead of bash, since sh is generic and points to an underlying implementation(pure sh, bash, ksh, etc) on the OS.
Fixed CARBON-14920 - Incorrect use of thread local CarbonContext. Changes from Thomas Wieger
Added comment to describe available patterns.
Fixing CARBON-15014

Avoid persisting client side services when updating service groups for https://wso2.org/jira/browse/CARBON-15014
Adding feature.properties
Fixing CARBON-14688

Signed-off-by: Jayanga Dissanayake <jsdjayanga@yahoo.com>
Fixing the issue with server startup failure when CApps are added.
We need to create AppDirectory first. The APP_UNZIP_DIR variable is configured there. Otherwise, the very-first capp deployment will not work.
Merge pull request #29 from GayashanNA/CARBON-14920

Fixing CARBON-14920 - Incorrect usage of ThreadLocal in TenantAwarePatternLayout and incomplete documentation
Merge pull request #37 from jsdjayanga/CARBON-14688

Fixing CARBON-14688
Merge pull request #25 from chrishantha/development

CARBON-14963: Using Privileged Block API in CarbonContext & UserRegistry...
Merge pull request #28 from GayashanNA/CARBON-14990

Fixing CARBON-14990 - Uses sh instead of bash
Merge pull request #26 from chanaka3d/development

https://wso2.org/jira/browse/CARBON-15003
Merge pull request #39 from supunmalinga/feature

Adding feature.properties
Fixing CARBON-14887.
Merge branch 'development' of https://github.com/wso2/carbon4-kernel into development