Corrected links, spacing issues on the common-attributes-include.markdown page
Merge pull request #311 from deb-cfengine/attributes

Corrected links, spacing issues on the common-attributes-include.markdown page
Corrected 1 more space issue, added <hr> to common-attributes-include.markdown
Merge pull request #312 from deb-cfengine/attributes_fix

Corrected 1 more space issue, added <hr> to common-attributes-include.markdown
Style improvements; fix broken links on Standard Library pages
Merge pull request #313 from deb-cfengine/std_lib

Grammar improvements; fix broken links on Standard Library pages
Clean up intro; standardize import commands on the Std Lib index page.
Merge pull request #314 from deb-cfengine/std_lib_index

Clean up intro; standardize import commands on the Std Lib index page.
Made "section" lower case in reference/common-attributes-include.markdown
Merge pull request #315 from deb-cfengine/attributes_macro

Made "section" lower case in reference/common-attributes-include.markdown