Adding support for casting seq to array
Default constructor now creates array of size (0,0,0,0)
Merge pull request #256 from pavanky/iota

Fixes to af::array class
Added memory manager for pinned memory

* Allocates, resuses and destroys pinned memory
* Added dummy static class to call garbage collection at the end of the program
Using pinned memory in imageio
Changed API for iota

* Using -1 as rep to deal with no reps
* Simplified API
* Doesn't break existing API
BUGFIX Fixed index-based array operators

* Was not getting proper dimensions.
Merge pull request #257 from shehzan10/devel

Pinned memory manager
Minor changes to API
opencl build program fixes for osx

removed repeated build option in random
removed CL1.1 argument to build options
optional double support for jit.cl
fix double support in jit.cl
Merge pull request #258 from mcclanahoochie/osx_fixes

Fixes for OpenCL backend on OSX

- Also fixes double support for OpenCL JIT
BUGFIX: Hotfix for cast in opencl backend
Adding proper checks to tests
Merge pull request #259 from arrayfire/devel

Devel - Master merge 20141223

- Bugfixes in OpenCL
- Bugfixes in indexing
- memory manager for pinned memory