Fix |oneRuleGrammar| invocation

At one call site, the |oneRuleGrammar| was called with 3 parameters but
it only accepts 2. This commit removes the additional parameter.
lib/compiler/opcodes.js: Fix formatting
spec/compiler/passes/generate-bytecode.spec.js: Fix comments
CSS example grammar: Simplify |integer| and |float| rules

It's not necessary to parse |parts| in the |integer| and |float| rule
into integer/float value. Everywhere these rules are used the result is
converted back into string anyway.
Example grammars: Improve |parseInt| invocations

Instead of |parseInt("0x" + digits)| do |parseInt(digits, 16)|, which is
a bit cleaner.
spec/generated-parser.spec.js: s/multiple-character/multi-character/
Update copyright years to 2010-2013
Makefile: Add missing period at the ned of a sentence
Renumber bytecode instructions to make them sequential