[COM_SUPPORT] make getSeverities() static
[COM_SUPPORT] make parameter a valid reference type
[COM_PROJECTS] make getSuggestions() static
[COM_SUPPORT] check for empty value before traversing as an array
[COM_YSEARCH] make display() signature match parent class
[LIB_HUBZERO] make various methods static
[PLG_AUTHENTICATION_FACEBOOK] make getInfo() static
[PLG_TAGS_FORUM] make out() static