add keywords in .desktop files (closes #1356)

desktop/masstransit.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;GTK;
+Keywords=departures;train;stations;timetable;travel;

desktop/qboobmsg.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=messaging;chat;forum;

desktop/qcineoob.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=video;movie;cinema;subtitles;torrent;media;

desktop/qcookboob.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=recipes;eating;cooking;

desktop/qflatboob.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=housing;flat;apartment;rental;

desktop/qhandjoob.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=job;offers;working;

desktop/qhavedate.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Chat;ContactManagement;Qt;
+Keywords=dating;sex;girls;boys;tinder;

desktop/qvideoob.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=AudioVideo;Qt;
+Keywords=movies;video;youtube;player;

desktop/qwebcontentedit.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Network;Qt;
+Keywords=wikipedia;wiki;edit;

desktop/weboob-config-qt.desktop

@@ -7,3 +7,4 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Utility;Qt;
+Keywords=configuration;weboob;