Merge pull request #38 from ravihansa3000/master

Fixing APIM version in boot.sh and cartridge json files - Reviewed the PR and it looks good.
using a approporiate regex for node.pp files
removing manager and worker from noeds/lb.pp's regex
reading java_home from a variable and fixes few puppet scripts' issues
loading api-manager.xml template
Merging puppet changes with master Merge branch 'master' of https://github.com/wso2/private-paas
Fixed conf file "stratos_extract_path" variable issue
Added worker/manager support for PPaaS products in boot.sh, Bug fixes
Merge branch 'master' of github.com:wso2/private-paas