Reorganized code for induced complex methods.

Details:
- Consolidated most of the code relating to induced complex methods
  (e.g. 4mh, 4m1, 3mh, 3m1, etc.) into frame/ind. Induced methods
  are now enabled on a per-operation basis. The current "available"
  (enabled and implemented) implementation can then be queried on
  an operation basis. Micro-kernel func_t objects as well as blksz_t
  objects can also be queried in a similar maner.
- Redefined several micro-kernel and operation-related functions in
  bli_info_*() API, in accordance with above changes.
- Added mr and nr fields to blksz_t object, which point to the mr
  and nr blksz_t objects for each cache blocksize (and are NULL for
  register blocksizes). Renamed the sub-blocksize field "sub" to
  "mult" since it is really expressing a blocksize multiple.
- Updated bli_*_determine_kc_[fb]() for gemm/hemm/symm, trmm, and
  trsm to correctly query mr and nr (for purposes of nudging kc).
- Introduced an enumerated opid_t in bli_type_defs.h that uniquely
  identifies an operation. For now, only level-3 id values are defined,
  along with a generic, catch-all BLIS_NOID value.
- Reworked testsuite so that all induced methods that are enabled
  are tested (one at a time) rather than only testing the first
  available method.
- Reformated summary at the beginning of testsuite output so that
  blocksize and micro-kernel info is shown for each induced method
  that was requested (as well as native execution).
- Reduced the number of columns needed to display non-matlab
  testsuite output (from approx. 90 to 80).

frame/include/bli_kernel_macro_defs.h

@@ -93,7 +93,7 @@
 #ifndef BLIS_CGEMM_UKERNEL
 #define BLIS_CGEMM_UKERNEL BLIS_CGEMM_UKERNEL_REF
 #ifdef  BLIS_SGEMM_UKERNEL
-#define BLIS_ENABLE_VIRTUAL_SCOMPLEX
+#define BLIS_ENABLE_INDUCED_SCOMPLEX
 #endif
 #else
 #endif
@@ -101,7 +101,7 @@
 #ifndef BLIS_ZGEMM_UKERNEL
 #define BLIS_ZGEMM_UKERNEL BLIS_ZGEMM_UKERNEL_REF
 #ifdef  BLIS_DGEMM_UKERNEL
-#define BLIS_ENABLE_VIRTUAL_DCOMPLEX
+#define BLIS_ENABLE_INDUCED_DCOMPLEX
 #endif
 #endif