Use java-gitlab-api to communicate with the Gitlab instance
Global configuration screen for host url and api token
fixed parameters of GitLabMergeRequest and GitLabPushRequest classes for correct JSON binding
removed connection check from global configuration
add variables gitlabSourceRepoName and gitlabSourceRepoURL to
MergeRequest builds
get source project data through gitlab api
implement #4
merge conflict resolved
Merge branch 'master' into token

Conflicts:
	src/main/java/com/dabsquared/gitlabjenkins/GitLabPushTrigger.java
Update Readme.md
Merge pull request #8 from DABSquared/token

Token