Merge pull request #1 from hrhill/develop

Add install target.
Merge branch 'release/v0.1.2'
Merge branch 'master' of https://github.com/hrhill/linalg
Merge branch 'release/v0.1.3'
Merge branch 'develop'
Fix gemm.
Merge branch 'release/v0.1.4'
Fix conflict.
Merge branch 'release/v0.1.5'