fixed issues:
 - https://github.com/everit-org/jira-timetracker-plugin/issues/32
 - https://github.com/everit-org/jira-timetracker-plugin/issues/22
 - https://github.com/everit-org/jira-timetracker-plugin/issues/17
 - https://github.com/everit-org/jira-timetracker-plugin/issues/13
fixed bugs:
	- duplicating issue id's when copying from another worklog
	- cannot copy a worklog after editing the note textarea
Merge pull request #33 from daniel-zsigus/I-13_I-17_I-22_I-32

I-13_I-17_I-22_I-32