MDL-38594 some Andrew's code from MDL-38661
MDL-38594 page-course-category is replaced with page-course-index because page has moved
MDL-38594 temp
MDL-38594 adjusting base and standard
MDL-38594 added missing clearing coursecat cache
MDL-38594 themes
MDL-39436
MDL-38594 themes 2
MDL-38594 .coursebox .name
MDL-38594 theme 3
MDL-38594 paging
MDL-38594 category name padding
MDL-38594 theme 4
MDL-38594 generalbox
MDL-38594 remove old
MDL-38594 change 63% to 61%
MDL-38594 added missing .content
MDL-38594 swapped margin and padding
MDL-38594 bootstrap made nicer
MDL-38594 paging:hover problem in standard and formal_white