fixed compilation of YACReaderLibrary and YACReaderLibraryServer, removing all the dependecies on QtWidgets from non gui code

YACReaderLibrary/db/comic_model.h

@@ -7,7 +7,7 @@
 #include <QSqlQuery>
 #include <QSqlDatabase>
 
-#include "yacreader_global.h"
+#include "yacreader_global_gui.h"
 
 class ComicDB;
 

YACReaderLibrary/db/data_base_management.cpp

@@ -311,7 +311,6 @@ bool DataBaseManagement::createV8Tables(QSqlDatabase &database)
     return success;
 }
 
-#include <qmessagebox.h>
 void DataBaseManagement::exportComicsInfo(QString source, QString dest)
 {
 	//QSqlDatabase sourceDB = loadDatabase(source);

YACReaderLibrary/db/folder_model.cpp

@@ -54,7 +54,7 @@
 #include "folder.h"
 #include "db_helper.h"
 #include "qnaturalsorting.h"
-#include "yacreader_global.h"
+#include "yacreader_global_gui.h"
 #include "QsLog.h"
 
 #ifdef Q_OS_MAC

YACReaderLibrary/db/reading_list_item.h

@@ -4,7 +4,7 @@
 #include <QIcon>
 #include <QVariant>
 
-#include "yacreader_global.h"
+#include "yacreader_global_gui.h"
 #include "reading_list_model.h"
 //TODO add propper constructors, using QList<QVariant> is not safe