Working implementation of Dtpmv with tests
Added tests for Dtpsv
Working implementation of Dtpsv
removed flatten to pull from master
Merge branch 'master' of https://github.com/gonum/blas into fixdtpmv
fixed incorrect increment check
Fixed bad panic message
remove flatTri to pull from master
Merge branch 'master' of https://github.com/gonum/blas into adddtpsv
Added comment to dtpsv
Merge pull request #44 from gonum/fixdtpmv

Fixdtpmv
merged from master
Merge pull request #45 from gonum/adddtpsv

Adddtpsv
merged from master