Added information about backends for packagers
Examples : cleaned imports
Coding Style : fixed comparisons against None
Coding Style : fixed inspection issues with numpy
Coding Style : fixed mutable default arguments and dictionary creation
Coding Style : fixed ndarray to string assignment
VAR : removed dependency on scipy
EEGTOPO : defined all attributes inside __init__
Coding Style : defined static class members
Coding Style : adopted PEP8 naming conventions
Coding Style : removed redundant parentheses
Coding Style : fixed name shadowing
Coding Style : fixed triple quoted docstrings
Coding Style : fixed comments
Coding Style : removed trailing semicolons (from matlab thee cometh, to python thee goeth)
Coding Style : fulfill type expectations
Coding Style : fixed variable assignment before initialization
BINICA : Improved binary path handling
BINICA : Improved binary path handling
PLOT : fixed scaling of topoplots