Fixed a few minor issues with the makefile discovered deploying the last release.
Fixed a few minor issues with the makefile discovered deploying the last release.

evertqin/Python-Markdown,zestedesavoir/Python-ZMarkdown,Situphen/Python-ZMarkdown,me-and/Python-Markdown,me-and/Python-Markdown,gogobook/Python-Markdown,me-and/Python-Markdown,fernandezcuesta/Python-Markdown,cyisfor/Python-Markdown,zestedesavoir/Python-ZMarkdown,dataquestio/Python-Markdown,cyisfor/Python-Markdown,evertqin/Python-Markdown,dataquestio/Python-Markdown,fernandezcuesta/Python-Markdown,zestedesavoir/Python-ZMarkdown,waylan/Python-Markdown,joachimneu/Python-Markdown,gogobook/Python-Markdown,fernandezcuesta/Python-Markdown,Situphen/Python-ZMarkdown,joachimneu/Python-Markdown,Situphen/Python-ZMarkdown,cyisfor/Python-Markdown,waylan/Python-Markdown,dataquestio/Python-Markdown,joachimneu/Python-Markdown,evertqin/Python-Markdown,gogobook/Python-Markdown