BLonD is now a package (#127)

* Required for markdown readme

* renamed to .txt

* Moved everything under blond directory

* Added needed files

* Added setup file

* modified setup file

* some debugging

* unittests dont need to be copied

* all blond import -> relative

* debugging

* libblond import in the init

* Fixed the libblond import

* some sanitisation

* fixed path to libblond

* added missing package

* bug fix

* bug fixes

* all imports start with blond.

* fixed the imports in the unittests

* fixed import

* moved under blond

* Supported options: build, install, develop, test, pep8, docs, cleanall

* Renamed files and bug fixes

* removed cpp_routines/.gitignore

* ignoring all shared libraries

* Prepared the setup.py

* added v infront of tag version

* changed the version to 2.0.1

* various bug fixes

* Added compile in the default build command

* Included the C++ source files in the distribution

* Converted from .md to .rst

* Moved back in the blond installation

* Added the header files

* New version

* Running the compile before the egg_info phase, as it was the only first
run before copying the data files

* Adapting to the new installation method

* Debugging the travis configuration

* Debugging the travis configuration

* Skipping testcases that fail due to deepcopy exception

* Updated readme, added install section

* moved to version 2.0.5

* Some windows debugging

* Only 1 version of histogram

* changed the download url and reset version to 2.0.0