Updates Arch PKGBUILD to include other man pages

Man pages for ansible-pull and ansible-docs are now installed properly
Correct name is login_user

Fixes #1848.
add with_sequence lookup plugin

Plugin allows you to do easy counts for items.
Merge pull request #1838 from jvantuyl/with_sequence

add with_sequence lookup plugin
Fix distribution detection - return string instead of functions
Merge pull request #1851 from Pinkbyte/distribution_fix

Fix distribution detection - return string instead of functions
Merge pull request #1845 from leucos/patch-1

Updates Arch PKGBUILD to include other man pages
Handle unreadable /proc/xen/capabilities

Fixes #1854.
Python 2.4 fixes for modules