Added tryit enable/disable option
Added tryit enable/disable option settings
fix mailing us link
fix mailing us link + main icon links
added if(tryit) feature
nested code tag fixed
links and typo fixed
Doc link fix for WSO2DS
Apache licence added as external link
fix application API sample
added POST data sample
fix tryit on/off on samples
fix jira JAGGERY-379
fix tryit on/off on samples
Merge pull request #96 from dakshika/master

Jaggery Documentation issue fixes