DRT-11 show pull request on the task, whenever it is shown
- removed PullRequests property from Authors and DayLog and added it to Report.cs
- updated IssueAdapter.cs and updated AdjustIssuePullRequests to sync pull requests with issues;
- deleted pullRequestTitle partial view;
- updated SprintTasks.cs;
- generate pull requests in ReportGenerator.cs and pass them as parameters;
- deleted methods in SourceControlProcessor.cs: GetSourceControlCommits and GetSourceControlPullRequests
- updated Template and partial views;
- updates in SvnLogReporter: removed PullRequests property from LogEntry;