Documentation fixes. (#1811)

Update documentation text and links.
Fix spelling errors.
Other minor adjustments where appropriate, such as remove whitespaces and format code.

Moose Development/Moose/Core/Database.lua

@@ -51,7 +51,7 @@
 --  * PLAYERS
 --  * CARGOS
 --
--- On top, for internal MOOSE administration purposes, the DATBASE administers the Unit and Group TEMPLATES as defined within the Mission Editor.
+-- On top, for internal MOOSE administration purposes, the DATABASE administers the Unit and Group TEMPLATES as defined within the Mission Editor.
 --
 -- The singleton object **_DATABASE** is automatically created by MOOSE, that administers all objects within the mission.
 -- Moose refers to **_DATABASE** within the framework extensively, but you can also refer to the _DATABASE object within your missions if required.
@@ -322,7 +322,7 @@ do -- Zones
 
         -- Store color of zone.
         Zone.Color=color
-        
+
         -- Store zone ID.
         Zone.ZoneID=ZoneData.zoneId
 
@@ -777,7 +777,7 @@ function DATABASE:_RegisterStaticTemplate( StaticTemplate, CoalitionID, Category
   local StaticTemplate = UTILS.DeepCopy( StaticTemplate )
 
   local StaticTemplateGroupName = env.getValueDictByKey(StaticTemplate.name)
-  
+
   local StaticTemplateName=StaticTemplate.units[1].name
 
   self.Templates.Statics[StaticTemplateName] = self.Templates.Statics[StaticTemplateName] or {}
@@ -1153,11 +1153,11 @@ function DATABASE:_EventOnDeadOrCrash( Event )
       if self.STATICS[Event.IniDCSUnitName] then
         self:DeleteStatic( Event.IniDCSUnitName )
       end
-      
+
       ---
       -- Maybe a UNIT?
       ---
-      
+
       -- Delete unit.
       if self.UNITS[Event.IniDCSUnitName] then
         self:T("STATIC Event for UNIT "..tostring(Event.IniDCSUnitName))
@@ -1556,11 +1556,11 @@ function DATABASE:FindOpsGroupFromUnit(unitname)
   else
     unit=unitname
   end
-  
+
   if unit then
     groupname=unit:GetGroup():GetName()
   end
-  
+
   if groupname then
     return self.FLIGHTGROUPS[groupname]
   else