Overhaul PDF Model code

I used re-structured the code to be more OO compliant. However, the main extraction
loop was heavily modified to be readable.  Some unused files were deleted and removed
from the project file. Project file options were unified and updated for Appveyor.

Author: GravisZro

src/autotest/autotest.pro

@@ -1,6 +1,13 @@
-QT += testlib xml
+QT += testlib
+CONFIG += c++11 strict_c++
+CONFIG(release, debug|release):CONFIG += optimize_full
+
+# For Appveyor because it dumps includes in the project root
+APPVEYOR_BUILD_FOLDER=$$(APPVEYOR_BUILD_FOLDER)
+!isEmpty(APPVEYOR_BUILD_FOLDER) {
+    INCLUDEPATH += $$APPVEYOR_BUILD_FOLDER
+}
 
-CONFIG += optimize_full c++11
 CONFIG += qt console warn_on depend_includepath testcase
 CONFIG -= app_bundle
 
@@ -20,7 +27,7 @@ DEPENDPATH += $$SOURCE_ROOT/kicad $$SOURCE_ROOT/pdf_extract
 
 SOURCES += tst_pdf_extract.cpp
 
-unix:{
+unix {
     QMAKE_LFLAGS_RPATH=
     QMAKE_LFLAGS += "-Wl,-rpath,\'\$$ORIGIN\'"
 }

src/kicad/kicad.pro

@@ -1,13 +1,15 @@
-#-------------------------------------------------
-#
-# Project created by QtCreator 2014-08-05T17:49:45
-#
-#-------------------------------------------------
+QT += core gui widgets
+QT += printsupport
+# printer support is for PDF output
 
-QT       += gui printsupport
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+CONFIG += c++11 strict_c++
+CONFIG(release, debug|release):CONFIG += optimize_full
 
-CONFIG += optimize_full c++11
+# For Appveyor because it dumps includes in the project root
+APPVEYOR_BUILD_FOLDER=$$(APPVEYOR_BUILD_FOLDER)
+!isEmpty(APPVEYOR_BUILD_FOLDER) {
+    INCLUDEPATH += $$APPVEYOR_BUILD_FOLDER
+}
 
 TARGET = kicad
 TEMPLATE = lib

src/pdf_extract/controller/pdfloader.cpp

@@ -21,12 +21,11 @@
 #include <QCoreApplication>
 #include <QDebug>
 #include <QDir>
-#include <QDomNamedNodeMap>
+//#include <QDomNamedNodeMap>
 #include <QFile>
 #include <QPainter>
 #include <QRegularExpression>
 
-#include <poppler/qt5/poppler-form.h>
 #include <poppler/qt5/poppler-qt5.h>
 
 using namespace Poppler;