BUG Fixes and small feature additions

• #883 Analysis runs show the store duration
• #958 Show the latest run tag in the run list table
• #959 sorting by severity does not work in the bug list
• #960 Show severity at the parse output
• #961 Show result summary at the parse output
• #962 run name filter in diff command
• #963 update run tag if the same tag is used in one run