Optimization in Educational
Ran valgrind memcheck to look for leaks. It only found one real issue,
and a few false alarms (I think):
dmsBox: didn't assign member variable "deg" in setDegType().
KSMoon: false report of mem leak in MoonLRData and MoonBData lists
(they are cleared correctly in the dtor)KStarsData::readINDIHosts(): report that xmlParser not deleted, but it
looks like it is (I don't really understand the C-isms in lilxml.c).
KStarsData: false report of mem leak in geoList (it is cleared
correctly in the dtor)