GenericHighlighter: add full stops to end of messages

Start messages with an initial capital letter.

Change-Id: Ie22a5ecffd8a7dc9dc2bb45d9e3a03eb30775744
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/texteditor/generichighlighter/highlightdefinition.cpp

@@ -48,13 +48,13 @@ QSharedPointer<Element> createHelper(const QString &name, Container &container)
 {
     if (name.isEmpty()) {
         throw HighlighterException(
-                    QCoreApplication::translate("GenericHighlighter", "Element name is empty"));
+                    QCoreApplication::translate("GenericHighlighter", "Element name is empty."));
     }
 
     if (container.contains(name)) {
         throw HighlighterException(
                 QCoreApplication::translate("GenericHighlighter",
-                                            "Duplicate element name \"%1\"").arg(name));
+                                            "Duplicate element name \"%1\".").arg(name));
     }
 
     return container.insert(name, QSharedPointer<Element>(new Element)).value();
@@ -68,7 +68,7 @@ findHelper(const QString &name, const Container &container)
     if (it == container.end()) {
         throw HighlighterException(
                     QCoreApplication::translate("GenericHighlighter",
-                                                "name \"%1\" not found").arg(name));
+                                                "Name \"%1\" not found.").arg(name));
     }
 
     return it.value();

src/plugins/texteditor/generichighlighter/highlighter.cpp

@@ -396,7 +396,7 @@ void Highlighter::changeContext(const QString &contextName,
         for (int i = 0; i < list.size(); ++i) {
             if (m_contexts.isEmpty()) {
                 throw HighlighterException(
-                        QCoreApplication::translate("GenericHighlighter", "Reached empty context"));
+                        QCoreApplication::translate("GenericHighlighter", "Reached empty context."));
             }
             m_contexts.pop_back();
         }