torch.split & torch.chunk
Merge pull request #83 from nicholas-leonard/split-chunk

torch.split & torch.chunk
fix recent cmake warnings and update cmake way of handling rpath
Minor spelling fix
Merge pull request #88 from jjh42/patch-1

Minor spelling fix
Fix broken link
Merge pull request #90 from jjh42/patch-2

Fix broken link
fixing inline help for torch7 package
Merge pull request #91 from torch/docfix_inline

fixing inline help for torch7 package
fixing back anchors for tensor-exclusive functions (see #91)
adding doc for ffi functions
Merge pull request #92 from torch/ffidoc

adding doc for ffi functions
fixing small bugs in prod, cumsum, cumprod
Cleaned up whitespaces in test.lua
Fixed global vars and missing messages in asserts().

Both issues causing crashes when run with Lua.
Tester empty messages wont fail in non-luajit interpreter