Added Scala grammar

Added Scala grammar from http://www.scala-lang.org/files/archive/spec/2.11/13-syntax-summary.html
Update scala.g4
added failed examples from Bart Kiers
fixed ugly string literal issue
fix for the [] issue
fix for missing last EOL issue
bug fixes
oops
Merge pull request #98 from teverett/master

Updates to Logo grammar
Added a UCB Logo grammar.
Merge pull request #100 from bkiers/ucb-logo

Added a UCB Logo grammar.
update grammar to one Sam put together that closely follows the spec.
Merge branch 'master' of github.com:antlr/grammars-v4
First 5 lines are mangled
Large repetition at the end; small typos
Merge pull request #101 from catull/master

First 5 lines are mangled
Added new grammar - tnsnames.g4 - to parse an Oracle 11gR2 tnsnames.ora file
Merge pull request #102 from NormanDunbar/master

Added new grammar - tnsnames.g4 - to parse an Oracle 11gR2 tnsnames.ora ...
Added examples folder with instructions on building a working parser.
Added grammer rules to parse listener only entries.
Added grammar rules to correctly parse the BEQueath network protocol arguments.
Added a working (and valid) test tnsnames.ora file.
NEW: Code ported to CSharp

Code ported to CSharp