Added dark frame subtraction

Moved debayer and preprocessing parameters to class ProcParams for every single image.
Added tab RAW for changing those parameters.
Progress bar shows only load step (work to do)

languagePack.nsi

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+; RawTherapee Language Pack
+;
+; Installes just the language file in an existing RawTherapee installation.
+;
+;------------------------------------------------------------------------------
+; Name, Outputfile and Version information
+;------------------------------------------------------------------------------
+
+; **** start edit section: please adapt below options per language pack release ****
+; The name of the installer
+Name "RT 2.4.1 - language Pack"
+
+; The file to write
+OutFile "RT241-langPack-20091018.exe"
+
+LoadLanguageFile "${NSISDIR}\Contrib\Language files\English.nlf"
+
+  VIProductVersion "2.4.1.0"
+  VIAddVersionKey /LANG=${LANG_ENGLISH} "ProductName" "RawTherapee Language Pack"
+  VIAddVersionKey /LANG=${LANG_ENGLISH} "LegalCopyright" "<EFBFBD> Raw Therapee"
+  VIAddVersionKey /LANG=${LANG_ENGLISH} "FileDescription" "Language Pack RawTherapee 2.4.1"
+  VIAddVersionKey /LANG=${LANG_ENGLISH} "FileVersion" "2.4.1-2009-10-18"
+  VIAddVersionKey /LANG=${LANG_ENGLISH} "Comments" "Compatible also for RT2.4 and RT2.3"
+;  VIAddVersionKey /LANG=${LANG_ENGLISH} "CompanyName" "Fake company"
+;  VIAddVersionKey /LANG=${LANG_ENGLISH} "LegalTrademarks" "Test Application is a trademark of Fake company"
+
+; **** end edit section: no changes needed per release below ****
+
+;------------------------------------------------------------------------------
+; Installation Directory, Dialog box for 
+;------------------------------------------------------------------------------
+
+
+; The default installation directory
+InstallDir "$PROGRAMFILES\Raw Therapee\languages"
+DirText "The Language Pack has to be installed into the RawTherapee installation directory, into the language subdirectory." \
+        "RawTherapee Installation Directory" \
+        "" \
+        "Please select the installation Directory of RawTherapee:" 
+
+;PageEx directory
+;   DirVerify leave
+;   PageCallbacks "" "" dirLeave
+;PageExEnd
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKCU "Software\Raw Therapee" ""
+
+;------------------------------------------------------------------------------
+; Installation Rights (Vista only)
+;------------------------------------------------------------------------------
+
+; Request application privileges for Windows Vista
+RequestExecutionLevel admin
+
+
+;------------------------------------------------------------------------------
+; Pages:
+;------------------------------------------------------------------------------
+
+; Pages
+
+;Page components
+Page directory
+Page instfiles
+
+;UninstPage uninstConfirm
+;UninstPage instfiles
+
+;------------------------------------------------------------------------------
+; Sections: stuff to be installed
+;------------------------------------------------------------------------------
+
+; The stuff to install
+Section "RawTherapee Language Pack (required)"
+
+  SectionIn RO
+  
+  ifFileExists $INSTDIR\languages\*.* 0 +3
+  SetOutPath $INSTDIR\languages
+  Goto +2
+  SetOutPath $INSTDIR
+  
+  ; Set output path to the installation directory.
+  ;SetOutPath $INSTDIR
+  
+  ; Put file there
+  File "release\languages\*"
+  
+  ; Write the installation path into the registry
+  ;WriteRegStr HKLM SOFTWARE\NSIS_Example2 "Install_Dir" "$INSTDIR"
+  
+  ; Write the uninstall keys for Windows
+  ;WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "DisplayName" "NSIS Example2"
+  ;WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  ;WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "NoModify" 1
+  ;WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "NoRepair" 1
+  ;WriteUninstaller "uninstall.exe"
+  
+SectionEnd
+
+;------------------------------------------------------------------------------
+; Uninstaller: not needed here
+;------------------------------------------------------------------------------
+
+; Uninstaller
+
+;Section "Uninstall"
+  
+  ; Remove registry keys
+;  DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2"
+;  DeleteRegKey HKLM SOFTWARE\NSIS_Example2
+
+  ; Remove files and uninstaller
+;  Delete $INSTDIR\example2.nsi
+;  Delete $INSTDIR\uninstall.exe
+
+  ; Remove shortcuts, if any
+;  Delete "$SMPROGRAMS\Example2\*.*"
+
+  ; Remove directories used
+;  RMDir "$SMPROGRAMS\Example2"
+;  RMDir "$INSTDIR"
+
+;SectionEnd