Do not call memset multiple times - minor speedup improvement
.gitignore fixes
All Token labels are declared as const*
Fix 32bit g++ cygwin compilation
Fix invalid charPositionInLine reported for the 1s line tokens

Reported here:
http://antlr.markmail.org/search/?q=Jim%20Idle#query:Jim%20Idle%20from%20list%3Aorg.antlr.antlr-interest%20from%3A%22Jim%20Idle%22+page:83+mid:rnvmkdec65rddzua+state:results
Fix ST compile warning - Java target used as an example
Complex grammar example - MSVC generates much faster code than g++
Grammmar fixed