Merge pull request #2 from prannamalai/master

Travis Config, MD Syntax Highlights and Maven POM Updates
Added Intent as enumeration
Merge pull request #3 from SeraphimSerapis/master

Added an Enumeration for Intents
Updated stubs for dynamic config
Updated Payment resource to include Intent enum
Added additional test case for PaymentHistory class
Updated stubs for dynamic config
Update CHANGELOG.md

Updated change log for rest-api-sdk-java version 0.6.0
Update stubs against new schema
Updated stubs: Removed reAuthorize method for Authorization class
Updated negative testcases
Updated samples and testcases for new stubs
Added missing assert statment for testcases
Set request body for VoidAuthorizationServlet
Reverted sandbox credentials in sdk_config.properties
Updated testcases for Authorization and Capture
Updated Samples Markdown comments
Updated pom file version to 0.7.0
Updated samples html files
Merge pull request #1 from DevTools/feat_auth_capture

Feat auth capture [ci skip]
Updated version number [ci skip]
Updated README [ci skip]