Adjust README a bit

[ci skip]
README: delete trailing whitespaces

[ci skip]
Fix error made in 7a7951565be
Use unique file names to support test parallelization
Make tests self-contained to support parallelization
Run tests in parallel and use boxed subprocesses
Import LSODAR source code
Import current LSODAR integrator implementation with smoke test
Implement building 'lsodar' module from root
Fix Travis builds for scipy-0.9.0
LSODAR: turn off Fortran warnings
LSODAR: add functional test and dummy implementation
LSODAR: 'Lsodar_ODEsystem' inherits 'ODEsystem'
Extract 'lsodar' integrator to separate file
Py3: force using absolute imports and 'print' function in 'test_lsodar.py'
LSODAR: return 'Trajectory'
Py3: force using absolute imports and 'print' function
Add missed test for 'defined' attribute
Tests refactoring: extract common object creation
Fix import