Cleanup of OTAmount and removed unnecessary cpp file.
Cleanup of OTSignature and OTSignatureMetadata.
Naming convention and structure cleanup of OTSignatureMetadata.
Some cleanup of OTStringXML.
Cleanup of OTAssert.
Cleanup of structure and naming of OTAcctList.
Naming and structure cleanup of OTSubkey.
Removed unused HelloWorld stuff.
Merge pull request #112 from murrekatt/develop

Some initial structure and naming cleanup of easy targets
Add script intepreter (ot) back