Fixes up the grammar a bit.
Adds two new instructions -- JumpOffset and IfZeroBranchOffset.
Adds support for the ternary operator in the HekateScriptVisitor via TernaryOpExpressionGenerator.
Updates the sample bullet script with usage of the ternary operator.
Merge pull request #15 from mohammedh123/feature/implement-ternary-operator

Feature/implement ternary operator