Rebase BLEND regression db entries

Now that .blend import works properly for non-BMesh-containing meshes,
all .blend regression test cases should now succeed. Rebase accordingly.
Use VC11 build for DB generation
Use Linux/GCC build for DB generation
Use strict inequality when validating BMesh uvloop access

Change the inequality to a strict inequality when validating
BMesh uvloop access during face conversion.
Merge pull request #391 from jdduke/fix_blend_bmesh_uvloop

Use strict inequality when validating BMesh uvloop access
Merge pull request #388 from jdduke/rebase_blend_regression_db

Rebase BLEND regression db entries
update:
- add assert test in obj-import
- fix material token in Obj.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
use std:: namespace for most cmath functions:

http://en.cppreference.com/w/cpp/header/cmath
Merge pull request #394 from abma/master

use std:: namespace for most cmath functions:
Merge remote-tracking branch 'upstream/master' into trunk