EFL 1.7.4 release.



git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/branches/eio-1.7@81543 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
Updating README files for 1.7.4 release and including missing city.h headers for eina tests



git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/branches/eio-1.7@81544 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
backport 81668


git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/branches/eio-1.7@81670 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
eio: backport r82025.


git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/branches/eio-1.7@82026 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33