Bumped gonum to v0.7.0 which contains a breaking import change of the fourier package

ApplyAV works on both AB and BA matrix profiles and Euclidean and Pearson Correlation distance measurements
MPDist can use annotation vectors

Added MPDist using both pearson correlation and euclidean distance
PMP, MP, and KMP all have separate structs

Changed default parallelism to twice the number of logical cores

Improved batching scheme for MPX to even out load across go routines
Fixed benchmark data creation

Bug fix in visualization function
Exported ApplyAV

Added Pan Matrix Profile feature
Pulled out cache initializing to individual algorithms improving MPX memory allocations
Updated license to Apache 2.0

Reduced default parallelism to number of logical cores

Added performance optimizations in MPX
MPX now support AB joins
MPX is now the default algorithm

Changed default parallelism to twice the number of CPU cores available