[INFRA-100] - Added support of API methods for the deletion and renaming of JIRA components

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
[INFRA-100] - Do not rename components to existing names

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Merge pull request #1 from oleg-nenashev/INFRA-100

[INFRA-100] - New API methods: components deletion and renaming
[maven-release-plugin] prepare release jira-scraper-1.4
[maven-release-plugin] prepare for next development iteration
[INFRA-107] - Added a command to remove default assignees

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Added README
Merge pull request #2 from oleg-nenashev/INFRA-107

[INFRA-107] - Added a command to remove default assignees
Code refactoring

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
[INFRA-139] - Added a command, which sets the component description

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Fixed @since for "remove the default assignee"

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
Update to the latest org.jenkins-ci.jenkins version

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>
[maven-release-plugin] prepare release jira-scraper-1.5
[maven-release-plugin] prepare for next development iteration
Prevent file leaks in ConnectionInfo.

Also made ConnectionInfo configurable and added a simple unit tests.

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>