mod/hotpot fix 'Missing version value in version.php' in Moodle 2.4 and 2.5
mod/hotpot fix 'Missing version value in version.php' in Moodle 2.4 - 2.5
mod/hotpot fix 'Undefined variable  version.php'
mod/hotpot fix 'version value is missing from version.php'
Merge branch 'master' of https://github.com/gbateson/moodle-mod_hotpot

Conflicts:
	version.php