Update net.cpp

Fixed bug raised by @tdomhan in issue #100.
bugfix regarding #100
Merge pull request #103 from Yangqing/master

bugfix regarding #100
Update LICENSE

Removed the FreeBSD disclaimer (which should not be there) per http://opensource.org/licenses/BSD-2-Clause
moving selective_search_demo notebook to examples/
git-ignoring ipython notebook checkpoints
Updated detection demo notebook.
- Works with new detector.py
- Everything is run automatically from cells.
detector.py refactored with argparse (was gflags)
selective_search_demo final updated version
Merge pull request #104 from sergeyk/master

Groom detection demo notebook, replace gflags with argparse in detector.py
added sigmoid layer
sigmoid layer cpu and gpu code
fixed copyright
Merge pull request #106 from tdomhan/sigmoidlayer

Sigmoidlayer
add macro for numpy < 1.7

as suggested by @longjon
https://github.com/BVLC/caffe/issues/44#issuecomment-32832810
add shebang to python scripts

for executing in the shell without call to python. Follows the example
of @kloudkl .
python requirements: don't fear the future
define by := (no need for re-expansion)
add SplitLayer and Net::AddSplits to transform shared bottom blobs into
split layers
make split_layer backward obey propagate_down