remove console.log from test

...cluttering the console.log output looks bad and can be avoided using methods
like this.
Merge pull request #701 from ryanxcharles/bug/remove-console-log-from-tests

remove console.log from test
fix karma tests
Merge pull request #707 from maraoz/fix/karma-tests

fix karma tests
fix dependency management
refactors
ocha
working on refactor
following the single TxProposal changes
remove old methods
change 'k' for 'ntxid'
add preconditions and tests
all tests passing
optimize txp protocol
fix timeout test
fixed karma test bug