New eclipse features, etc. (#34)

* Search for locally-visible lunar and solar eclipses, with display of local eclipse circumstances.
* Improved accuracy of lunar eclipse drawing and timing.
* New option to restore the last-used time, location, and view.
* Last selected event navigation option is retained.

Author: kshetline

.vscode/settings.json

@@ -171,6 +171,7 @@
     "Sadalmelik",
     "Sagittae",
     "Sagittarii",
+    "SAINTE",
     "Scorpii",
     "sctr",
     "Sculptoris",

angular.json

@@ -172,5 +172,8 @@
     "@schematics/angular:directive": {
       "prefix": "app"
     }
+  },
+  "cli": {
+    "analytics": false
   }
 }