Updated PKP lib
Updated pkp lib
Merge branch 'master' of https://github.com/pkp/ojs
*8279* Re-introduced log in as functionality
Merging latest pkp/lib
Merge branch 'master' of https://github.com/pkp/ojs
Moved shared validation code into pkp/lib
Merging
Merge branch 'validation'
Merging

Conflicts:

	lib/pkp
Updated pkp lib
Doxygen improvements
Improved doxygen comments
Change to the correct submission file assoc constant
*8353* Allow locale set by URL
Italian translation updates for some plugins from Andrea Marchitelli
Merge pull request #87 from MichaelThessel/loginas

*8279* Re-introduced log in as functionality
Merging