0027338: Minor corrections in Tcl samples and documentation

In samples:
- Fixed syntax error in DataExchangeDemo.tcl
- MSAA is enabled in some tests to provide better presentation
- Option to build isolines on triangulation is used in some samples to avoid artifacts in selection highlight
- Colors are corrected in cpu.tcl

In documentation:
- Reference to automake tools is removed
- Standard_OVERRIDE is expanded to "override"

samples/tcl/DataExchangeDemo.tcl

@@ -44,7 +44,7 @@ if { [winfo exists .h ] } {
 set ddir .
 if { [info exists env(CSF_OCCTDataPath)] } {
     set ddir [file join $env(CSF_OCCTDataPath) occ]
-} else if { [info exists env(CASROOT)] } {
+} elseif { [info exists env(CASROOT)] } {
     set ddir [file join $env(CASROOT) data occ]
 }