Fixed user database / import file readers to accept both 'dXE4' and 'dDX4' as symbols representing Delphi XE4 compiler. This enables CodeSnip 4 (which uses 'dDX4') read files written by CodeSnip 3 (which uses 'dXE4').
Authored by: delphidabbler 2013-09-12
Parent: [r3451]
Child: [r3453]
