Switching to linux for development of pglab.

Switched from qmake to cmake. Code changes to make it compile.

core/core.pro

@@ -1,45 +0,0 @@
-#-------------------------------------------------
-#
-# Project created by QtCreator 2017-02-26T10:51:14
-#
-#-------------------------------------------------
-
-QT       -= gui
-
-TARGET = core
-TEMPLATE = lib
-CONFIG += staticlib c++14
-
-INCLUDEPATH += C:\prog\include C:\VSproj\boost_1_63_0
-DEFINES += WIN32_LEAN_AND_MEAN NOMINMAX
-#LIBS += /LIBPATH:C:\VSproj\boost_1_63_0\stage\lib /LIBPATH:c:\prog\lib\ libpq.lib fmt.lib User32.lib ws2_32.lib
-
-
-# The following define makes your compiler emit warnings if you use
-# any feature of Qt which as been marked as deprecated (the exact warnings
-# depend on your compiler). Please consult the documentation of the
-# deprecated API in order to know how to port your code away from it.
-DEFINES += QT_DEPRECATED_WARNINGS
-
-# You can also make your code fail to compile if you use deprecated APIs.
-# In order to do so, uncomment the following line.
-# You can also select to disable deprecated APIs only up to a certain version of Qt.
-#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
-
-SOURCES += Core.cpp \
-    my_boost_assert_handler.cpp \
-    SqlLexer.cpp \
-    PasswordManager.cpp \
-    CsvWriter.cpp \
-    BackupFormatModel.cpp
-
-HEADERS += Core.h \
-    PasswordManager.h \
-    SqlLexer.h \
-    ScopeGuard.h \
-    CsvWriter.h \
-    BackupFormatModel.h
-unix {
-    target.path = /usr/lib
-    INSTALLS += target
-}