Merge pull request #22 from arunasujith/proxypath

fixing CARBON-14837 Adding proxy context path
Refactored the module to remove deprecated API methods
Merge branch 'master' of https://github.com/wso2-dev/carbon-utils
merging changes done for chunk13 release
Merge pull request #23 from chanikag/master

merging changes done for chunk13 release
Adding rule based location resolver