xDefines: fix code style
Project: remove header guards
Gui: CxMsgBox - fix platforms structure
Gui: CxDll - fix platforms structure
Gui: CxDll - fix platforms structure
Gui: CxGui - fix
Project: fix platform structure
Sync: CxThread - fix code style
Net: CxPop3 -> CxPop3Client, CxSmtp -> CxSmtpClient
Project: fix platform structure
Project: fix platform structure
Filesystem: CxDll - fix
Debug: CxStackTrace - fix platform structure
Core: CxDateTime - fix platforms
Core: CxDateTime - fix code style
Core: CxDateTime - fix code style
Core: CxHandleT - fix platforms
Core: CxLocale - fix platforms
Core: CxString - fix platforms
Tests: Core - fix CxTest_CxDateTime