* Use standard order of header files

* Use standard order of header files
* Reduce inter-module dependencies. Especially from MainFrm.h
* Move the following variables and functions in CMainFrame class to CMergeApp class:

SyncFileToVCS()
CreateBackup()
HandleReadonlySave()
ShowVSSError()
ShowHelp()
UpdateCodepageModule()
CheckinToClearCase()
OpenFileToExternalEditor()
InitializeSourceControlMembers()
SaveToVersionControl()
GetMainSyntaxColors()
OpenFileOrUrl()
m_strSaveAsPath
m_bEscShutdown
m_vssHelper
m_bClearCaseTool
m_bExitIfNoDiff
m_pLineFilters
m_strVssUser
m_strVssPassword
m_strVssDatabase
m_strCCComment
m_bCheckinVCS
m_CheckOutMulti
m_bVCProjSync
m_bVssSuppressPathCheck
m_strDescriptions
m_pSyntaxColors

* Remove
CMainFrame::CenterToMainFrame()
CMainFrame::SetMainIcon()
CMainFrame::GetMainSyntaxColors()

--HG--
branch : stable