fixed a few spelling errors
Merge pull request #43 from richlewis42/patch-1

fixed a few spellings and word suggestions
MAINT: updated for skbio 0.1.4, including using ssw for pairwise alignment, which is much, much faster
ENH: added link shared by @wasade, fixes #53
MAINT: fixed typo, thanks @vivekiitkgp. fixes #52
DOC: added installation note, thanks @merqurio! fixes #50
ENH: added link to microbe.net blog post
ENH: added link to microbe.net blog post
updates to partially address #30 and #32
updates for skbio 0.1.4; partially addresses #30, #32
Merge branch 'master' of github.com:gregcaporaso/An-Introduction-To-Applied-Bioinformatics into skbio-014

Conflicts:
	algorithms/1-pairwise-alignment.ipynb
Merge pull request #54 from gregcaporaso/skbio-014

MAINT: partial updates for skbio 0.1.4
Merge branch 'master' of https://github.com/gregcaporaso/An-Introduction-To-Applied-Bioinformatics