Use relative paths when setting btcconf default filepath
Whitespace and newlines
Must specify return value in python
os.path.join preferred over str +
Also adding some print statements.
Some modifications to Wallet to remove user interaction from module.
Removal of ElectrumWrapWallet, moved to the plugin files.
Add tests for aes, mnemonics.
Add harness for tests in jmclient, conftest.py and commontest
Add .coveragerc for these tests locally.
Slight modification to install process, using pip install to avoid
polluting directories with build data.
Added general regression test support files to test/ (distinct from
planned package-level unit tests), this 2 levels of test should
function much better.