* Minimizing the binary size by avoiding SysUtils unit, started

+ Created standalone copy of Character and SysUtils, unused stuff removed or substituted with analogs
+ Added PathUtils.pas to replace filename/path stuff from SysUtils
Lang.pas:
! Added namespace to unit
IceUtils.pas:
! Added namespaces to units
! Using stripped down PseudoRTL.SysUtils version
! All TDateTime usages replaced by TSystemTime
+ SystemTimeToStr
- Removed unused routines
+ PosOfs to replace PosEx
FileInfo.dpr:
! Using stripped down PseudoRTL versions
! Namespaces for units
! All TDateTime usages replaced by TSystemTime
! All Sysutils.file/path utils replaced by analogs from PathUtils
* Submodules