Formatting, comments, typos, or minor tweaks

* Aircraft ICAO class: hasXX methods (hasAircraftCombinedType(), ..)
* Index Variant map, contains(index)
* Deleted context_network_textmessages.cpp and moved it into impl.cpp (this was only 1 method)
* Fixed bug refs#228

src/blackmisc/nwuserlist.h

@@ -3,10 +3,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-/*!
-    \file
-*/
-
 #ifndef BLACKMISC_USERLIST_H
 #define BLACKMISC_USERLIST_H
 
@@ -21,35 +17,20 @@ namespace BlackMisc
 {
     namespace Network
     {
-        /*!
-         * Value object encapsulating a list of voice rooms.
-         */
+        //! Value object encapsulating a list of voice rooms.
         class CUserList : public CSequence<CUser>
         {
         public:
-            /*!
-             * \brief Default constructor.
-             */
+            //! \brief Default constructor.
             CUserList();
 
-            /*!
-             * \brief Construct from a base class object.
-             * \param other
-             */
+            //! Construct from a base class object.
             CUserList(const CSequence &other);
 
-            /*!
-             * \brief QVariant, required for DBus QVariant lists
-             * \return
-             */
-            virtual QVariant asQVariant() const
-            {
-                return QVariant::fromValue(*this);
-            }
+            //! QVariant, required for DBus QVariant lists
+            virtual QVariant asQVariant() const { return QVariant::fromValue(*this); }
 
-            /*!
-             * \brief Register metadata
-             */
+            //! Register metadata
             static void registerMetadata();
 
         };