Version 0.0.3

Fixed #7
- GET /api/threads now correctly returns the thread groups' information
Fixed #15
- TravisCI was giving an error since the openjdk8 agent is no longer available. Now using openjdk13 as it's the java version used to develop the plugin.
Fixed #10
- Completely reworked the GET /api/test/summary endpoint, most computations now use the Calculator class from the JMeter core.
The *.properties files are now correctly included in the pom.xml, text is now correctly shown in JMeter
Fixed #13 and #14
- Side-fixes of the whole refactoring that was done in 0.0.3

Version 0.0.2

Changed web server to Jetty + JAX-RS (from webbit-server + webbit-rest)
Modified /api/threads/ endpoint to retrieve all thread groups and their properties
Added GET /api/threads/{name} endpoint to retrieve information about a specific thread group
Added POST /api/threads/{name} endpoint to modify a specific thread group
Added error handling for GET & POST /threads/{name} returns RESTful error if thread group doesn't exist
Added GET /api/test/status endpoint to retrieve information about the test status (time running, finished, started, etc.)
Added GET /api/test/end endpoint to end the test run
Added JavaDoc compatible comments to all the classes/methods
Added ResultHolder class which calculates and holds a summary of the test results
Added GET /api/test/summary endpoint to retrieve a results summary of every sample (#1)

Note: All endpoints require the test to be running to be consumed.