Fix fixed column header scrolling past the bottom of the table
Fix fixed column header scrolling past the bottom of the table

lorenamgUMU/sakai,OpenCollabZA/sakai,willkara/sakai,Fudan-University/sakai,frasese/sakai,pushyamig/sakai,bzhouduke123/sakai,joserabal/sakai,kwedoff1/sakai,Fudan-University/sakai,pushyamig/sakai,liubo404/sakai,colczr/sakai,frasese/sakai,ouit0408/sakai,lorenamgUMU/sakai,buckett/sakai-gitflow,frasese/sakai,willkara/sakai,zqian/sakai,willkara/sakai,willkara/sakai,ktakacs/sakai,buckett/sakai-gitflow,Fudan-University/sakai,joserabal/sakai,lorenamgUMU/sakai,colczr/sakai,conder/sakai,buckett/sakai-gitflow,OpenCollabZA/sakai,willkara/sakai,rodriguezdevera/sakai,OpenCollabZA/sakai,clhedrick/sakai,Fudan-University/sakai,lorenamgUMU/sakai,duke-compsci290-spring2016/sakai,lorenamgUMU/sakai,bzhouduke123/sakai,pushyamig/sakai,bzhouduke123/sakai,maurercw/gradebookNG,buckett/sakai-gitflow,zqian/sakai,colczr/sakai,joserabal/sakai,ktakacs/sakai,OpenCollabZA/sakai,clhedrick/sakai,OpenCollabZA/sakai,joserabal/sakai,colczr/sakai,liubo404/sakai,colczr/sakai,ouit0408/sakai,Fudan-University/sakai,Fudan-University/sakai,ouit0408/sakai,rodriguezdevera/sakai,frasese/sakai,ouit0408/sakai,colczr/sakai,rodriguezdevera/sakai,Fudan-University/sakai,maurercw/gradebookNG,clhedrick/sakai,pushyamig/sakai,rodriguezdevera/sakai,OpenCollabZA/sakai,rodriguezdevera/sakai,buckett/sakai-gitflow,OpenCollabZA/sakai,pushyamig/sakai,conder/sakai,kwedoff1/sakai,pushyamig/sakai,frasese/sakai,Fudan-University/sakai,colczr/sakai,willkara/sakai,zqian/sakai,kwedoff1/sakai,liubo404/sakai,kwedoff1/sakai,rodriguezdevera/sakai,ouit0408/sakai,kwedoff1/sakai,zqian/sakai,zqian/sakai,bzhouduke123/sakai,steveswinsburg/gradebookNG,liubo404/sakai,frasese/sakai,bzhouduke123/sakai,clhedrick/sakai,joserabal/sakai,lorenamgUMU/sakai,steveswinsburg/gradebookNG,frasese/sakai,clhedrick/sakai,ktakacs/sakai,ktakacs/sakai,joserabal/sakai,lorenamgUMU/sakai,zqian/sakai,lorenamgUMU/sakai,duke-compsci290-spring2016/sakai,willkara/sakai,frasese/sakai,pushyamig/sakai,duke-compsci290-spring2016/sakai,colczr/sakai,clhedrick/sakai,liubo404/sakai,buckett/sakai-gitflow,conder/sakai,conder/sakai,conder/sakai,maurercw/gradebookNG,liubo404/sakai,kwedoff1/sakai,buckett/sakai-gitflow,conder/sakai,bzhouduke123/sakai,ktakacs/sakai,willkara/sakai,duke-compsci290-spring2016/sakai,clhedrick/sakai,duke-compsci290-spring2016/sakai,joserabal/sakai,kwedoff1/sakai,duke-compsci290-spring2016/sakai,bzhouduke123/sakai,pushyamig/sakai,conder/sakai,rodriguezdevera/sakai,bzhouduke123/sakai,ouit0408/sakai,clhedrick/sakai,ktakacs/sakai,buckett/sakai-gitflow,zqian/sakai,liubo404/sakai,steveswinsburg/gradebookNG,liubo404/sakai,ouit0408/sakai,joserabal/sakai,conder/sakai,ktakacs/sakai,duke-compsci290-spring2016/sakai,rodriguezdevera/sakai,duke-compsci290-spring2016/sakai,OpenCollabZA/sakai,zqian/sakai,ktakacs/sakai,kwedoff1/sakai,ouit0408/sakai