REL-2132: Readded button for selecting active guide star and changed icon.
REL-2132: Adding new icon to repo.
REL-2132: Changed tooltip text.
REL-2132: Changed offsets to move button away due to different functionality.
Merge pull request #140 from sraaphorst/bugfix/REL-2132

REL-2132
REL-2151: remove typo
REL-2151: minor change to compute time in MS upfront and then format as minutes
Merge pull request #142 from swalker2m/bugfix/REL-2151

REL-2151: typo in parallactic angle "Set to" menu