fix a weird compile error on a machine I tried to compile shogun on
fixed compiler issue with g++4.4
remove debug message and fix compiler error on g++4.4
some include guards to make compile possible when LAPACK is unavailable
remove double entry
another guard which allows things if lapack is not there
Travis: use wheel packages of scipy and numpy when building python3.3
issue #1491
Fix issue #1546
Attempt to fix issue #1547
few unit-tests added (log-det)
direct sparse linear solver using llt added (log-det)
access by index operator added for SGSparseMatrix
min eigenvalue check added (log-det)
big sparse matrix unit-test added (log-det)
Merge pull request #1545 from lambday/feature/log_determinant

direct sparse linear system solver added using llt
Changes by 2to3 ran on tests/integration/python_modular
issue #1548
Merge pull request #1543 from karlnapf/develop

fix a weird compile error on a machine I tried to compile shogun on
comment how to use a custom python version
remove requirement for junj2 for unit testing
Merge pull request #1550 from karlnapf/develop

remove jinj2 requirement for unit tests and add comment in readme about custom python