changed precison threshold for conv3 test

The previous threshold was insufficient and the test occasionally failed. I ran it a large number of times and the actual error reached ~ 3x1e-10, so I propose 4*1e-10 as the new safer threshold.
Merge pull request #44 from GeorgOstrovski/patch-1

changed precison threshold for conv3 test
corrected link in doc.
stricter error checking for indexCopy
fixed warning/bug for double random generator
Merge pull request #45 from torch/indexCopyChecking

stricter error checking for indexCopy
adding lapack to travis.
Change 'will fail is' to 'if' in FFI.lua
Merge pull request #46 from ludamad/patch-1

Change 'will fail is' to 'if' in FFI.lua
A failing test which demonstrates the RNGState serialization bug.
Fix RNGState serialization bug + remove whitespace.
Merge pull request #48 from timharley/master

Fix a bug in getRNGState/setRNGState
Make the THGenerator next field an offset.
Merge pull request #49 from timharley/master

Make the THGenerator next field an offset.
Add torch.view and torch.viewAs

These functions allow to create a resized view of a tensor without
copying its storage.
Add test for torch.view and torch.viewAs
Remove in-source documentation

The new functions torch.view and torch.viewAs are already documented
in doc/tensor.md.
Merge pull request #50 from sergomezcol/master

Add torch.view and torch.viewAs
added back doc for local function
Merge branch 'master' into build-fixes