Default arguments for medfilt
Change int to dim_type in cuda transpose
PERF Improvement to transpose opencl
Added conjugate option to transpose

* Default is not conjugate
* Added test
* Fixed places where af_transpose was used
Added transpose .T() and conjugate transpose .H() to array class

* tab fixes also included
Changed minor version from .200 to .beta
Merge pull request #219 from shehzan10/devel

PERF Improvements to opencl transpose