Exchanged placeholder for Int64 / Long implementation taken from GraniteDS (which is licensed under GPL) with Protobuf-as3 implementation (licensed under New BSD) to be compliant to the license terms.
Merge branch 'master' of github.com:noctarius/tengi

Conflicts:
	languages/as3/src/com/noctarius/tengi/client/lang/IllegalArgumentError.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/ArithmeticError.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/BigDecimal.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/BigInteger.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/BigNumber.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/BigNumberError.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/Long.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/MathContext.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/MutableBigInteger.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/NumberFormatError.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/Radix.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/RoundingMode.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/Uints.as
	languages/as3/src/com/noctarius/tengi/client/lang/math/assert.as