change encoding of all files to UTF-8
make eigen as an external git submodule
Merge branch 'fix_memory_leaks' of github.com:mckelvin/Yaafe

Conflicts:
	externals/eigen
src_cpp: reindent *.h *.cpp in to fit Google C++ Coding Style
CMakeLists.txt: improve CXX flags, improve python packages path
src_python: deprecate YAAFE_PATH, fix doctest, ignore pyc
try travis-ci
tuning .travis.yml
Update README.rst
Update README.rst
yaafe-core: support debug-only stderr output: DBLOG, DBLOG_IF
yaafe-io: fix mem leaks on Smarc, MP3FileReader: support TimeStart,
TimeLimit, TrimBeginningSilence
src_python: fit doctest; add trim_beginning_silence, time_start, time_limit
in FeaturePlan
add example of using time_start, time_limit
Merge branch 'master' of github.com:mckelvin/Yaafe
cmake: WITH_MATLAB_MEX: build matlab mex and install matlab package
cmake: support make uninstall
misc: update install.sh
yaafe-io: improve MP3FileReader

* call mpg123_format_none before mpg123_format
* call mpg123_scan only when it's required
yaafe-core: fix some compiler warnings, ostream for StreamInfo

yaafe-io: fix MP3FileReader