REL-2118: calculate everything before drawAtOffsetPos
Merge pull request #96 from swalker2m/feature/REL-2118

REL-2118: F2 TPE NPE
REL-2072, OCSADV-29: show guiding controls for ToO observations, minor label updates
Merge pull request #95 from swalker2m/feature/REL-2072

REL-2072, OCSADV-29: updates to guiding controls
REL-2101: a bit of cleanup
REL-2101: cleanup the available options handling
REL-2101: random cleanup, mostly making use of java.lang.Iterable in foreach statements
Merge pull request #92 from swalker2m/feature/REL-2101

REL-2101: TPE strehl feature appears when it shouldn't