Various fixes to user-visible strings

The change includes various fixes:
- removal of trailing whitespaces;
- consistent usage of the final dot (instead of a question mark);
- fix a few acronyms (uppercase when needed, correct spelling).

gramps/gui/glade/editplace.glade

@@ -235,7 +235,7 @@ You can set these values via the Geography View by searching the place, or via a
                       <object class="ValidatableMaskedEntry" id="latlon_entry">
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
-                        <property name="tooltip_text" translatable="yes">Field used to paste info from a web page like google, openstreetmap, ... </property>
+                        <property name="tooltip_text" translatable="yes">Field used to paste info from a web page like Google, OpenStreetMap...</property>
                         <property name="hexpand">True</property>
                         <property name="invisible_char">●</property>
                       </object>

gramps/gui/glade/editplaceref.glade

@@ -373,7 +373,7 @@
                           <object class="ValidatableMaskedEntry" id="latlon_entry">
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
-                            <property name="tooltip_text" translatable="yes">Field used to paste info from a web page like google, openstreetmap, ... </property>
+                            <property name="tooltip_text" translatable="yes">Field used to paste info from a web page like Google, OpenStreetMap...</property>
                             <property name="hexpand">True</property>
                             <property name="invisible_char">●</property>
                           </object>

gramps/plugins/drawreport/ancestortree.py

@@ -963,7 +963,7 @@ class AncestorTreeOptions(MenuReportOptions):
         repldisp = TextOption(
             _("Replace Display Format:\n'Replace this'/' with this'"),
             [])
-        repldisp.set_help(_("i.e.\nUnited States of America/U.S.A"))
+        repldisp.set_help(_("i.e.\nUnited States of America/U.S.A."))
         menu.add_option(category_name, "replace_list", repldisp)
 
         # TODO this code is never used and so I conclude it is for future use

gramps/plugins/drawreport/descendtree.py

@@ -1696,7 +1696,7 @@ class DescendTreeOptions(MenuReportOptions):
         repldisp = TextOption(
             _("Replace Display Format:\n'Replace this'/' with this'"),
             [])
-        repldisp.set_help(_("i.e.\nUnited States of America/U.S.A"))
+        repldisp.set_help(_("i.e.\nUnited States of America/U.S.A."))
         menu.add_option(category_name, "replace_list", repldisp)
 
         self.usenote = BooleanOption(_('Include a note'), False)

gramps/plugins/importer/importgedcom.glade

@@ -15,7 +15,7 @@
         <col id="0" translatable="yes">ANSEL</col>
       </row>
       <row>
-        <col id="0" translatable="yes">ANSI (iso-8859-1)</col>
+        <col id="0" translatable="yes">ANSI (ISO-8859-1)</col>
       </row>
       <row>
         <col id="0" translatable="yes">ASCII</col>

gramps/plugins/webreport/narrativeweb.py

@@ -2129,13 +2129,13 @@ class NavWebOptions(MenuReportOptions):
         birthorder = BooleanOption(
             _('Sort all children in birth order'), False)
         birthorder.set_help(
-            _('Whether to display children in birth order or in entry order?'))
+            _('Whether to display children in birth order or in entry order.'))
         addopt("birthorder", birthorder)
 
         coordinates = BooleanOption(
             _('Do we display coordinates in the places list?'), False)
         coordinates.set_help(
-            _('Whether to display latitude/longitude in the places list?'))
+            _('Whether to display latitude/longitude in the places list.'))
         addopt("coordinates", coordinates)
 
         reference_sort = BooleanOption(
@@ -2200,7 +2200,7 @@ class NavWebOptions(MenuReportOptions):
 
         headernote = NoteOption(_('HTML user header'))
         headernote.set_help(_("A note to be used as the page header"
-                              " or a php code to insert."))
+                              " or a PHP code to insert."))
         addopt("headernote", headernote)
 
         footernote = NoteOption(_('HTML user footer'))