Fixed two bugs in transaction validation.

Signed-off-by: Andrew Miller <amiller@dappervision.com>
Added minimum features for transaction signing

Signed-off-by: Andrew Miller <amiller@dappervision.com>
Merge pull request #28 from amiller/txfixes

Bug fixed in transaction validation, transaction signing added
Formatting changes and varint fix for CB_SIGHASH_ANYONECANPAY
Removed signing code for now. Will consider again later. Not to be used internally by cbitcoin anyway.
Merge branch 'master' into accountingAndNodes
Added Andrew Miller to contributors list
Fix newline
Added email address
Merge branch 'master' into accountingAndNodes
Updated configure to not add architecture flags.
Removed weak linking pagma for CBEcdsaSign
Merge branch 'master' into accountingAndNodes
Got most of the new database code working.