NSIS: Refactor configuration to ease installer creation via scripting

dist/windows/README.txt

@@ -16,16 +16,16 @@ TRANSLATORS:
 
 PACKAGERS:
 
-You will need NSIS and upx to make the installer. You need a unicode version of NSIS.
-I tested with NSIS 3.0 (final).
+You will need NSIS 3 to make the installer. UPX is an optional requirement.
 
-1. Open the options.nsi file in an editor and change line that contains
+1. Open the config.nsi file in an editor and change line that contains
    "!define QBT_VERSION "3.0.3"" to the version of qbittorrent you just built.
-2. Extract the plugins found in the folder "nsis plugins" into your
+2. config.nsi contains some other defines that control the installer output. Read the comments in that file.
+3. Extract the plugins found in the folder "nsis plugins" into your
    NSIS's unicode Plugin directory(usually C:\Program Files\NSIS\Plugins\x86-unicode).
    Only the *.dll files are needed. Use the unicode version of the dlls.
-3. The script you need to compile is "qbittorrent.nsi". It includes all other necessary scripts.
-4. The script expects the following file tree:
+4. The script you need to compile is "qbittorrent.nsi". It includes all other necessary scripts.
+5. The script expects the following file tree:
 
 The installer script expects the following file tree:
 
@@ -46,8 +46,10 @@ translations
 	qt_zh_TW.qm
 installer.nsi
 license.txt
-options.nsi
+config.nsi
+helper.nsi
 qbittorrent.exe
+qbittorrent.pdb
 qbittorrent.nsi
 qt.conf
 translations.nsi
@@ -55,9 +57,10 @@ UAC.nsh
 uninstaller.nsi
 
 
-5. "license.txt" is a text file that contains the text rendered
+6. "license.txt" is a text file that contains the text rendered
    from src\gui\gpl.html
-6. "qbittorrent.exe" is the compiled binary file.
+7. "qbittorrent.exe" is the compiled binary file.
+8. "qbittorrent.pdb" is the compiled binary's PDB file.
 
 SCRIPT HACKERS: