[COM_COURSES] fix pass by reference in constructor requirement, and made loadBySectionId() static.
[COM_SUPPORT] make sendEmail() static
[COM_CITATIONS] make citationOpenUrl() static
[COM_PROJECTS] make ProjectsHtml methods static
[COM_TOOLS] make ToolsHelperHtml methods static
[MOD_MYCONTRIBUTIONS] call WishlistController method through instance rather than statically