Rename Truffle config file

refactor HasNoTokens.sol to extract reclaimToken

Update testrpc to 4.1.1

changed decimal to be uint8 so that it matches the ERC20 specification.

Remove confusing comment left from FinalizableCrowdsale

AFter this PR 
https://github.com/OpenZeppelin/zeppelin-solidity/pull/364
the comment was left.

Removed coveralls script from package.json

Revert Truffle config renaming

Added tests for PR #224

Update limitbalance.rst

Update pullpayment.rst

[bugfix] windows incompatibilty

- Spender starts with 0 tokens allowed to spend
- Spender is granted 50, then decreased it's allowance by 10

Refs PR #224

Added increaseApproval and decreaseApproval to increase / decrease the approval in 1 transaction.

Fixed typo

Fixed typo

Remove main field from package.json

Make Travis run tests and coverage in parallel

Fix PausableToken documentation

fix for issue 375: transferFrom allows sending to self more than self balance

Fixed typos in documentation

Fixed typo in documentation

Fix mispelled words (#371)

recieve -> receive