Fix file permissions

gui/slick/css/lib/images/animated-overlay.gif

gui/slick/css/lib/images/ui-bg_flat_0_000000_40x100.png

gui/slick/css/lib/images/ui-bg_flat_0_aaaaaa_40x100.png

gui/slick/css/lib/images/ui-bg_flat_0_ffffff_40x100.png

gui/slick/css/lib/images/ui-bg_glass_55_fbf9ee_1x400.png

gui/slick/css/lib/images/ui-bg_glass_95_fef1ec_1x400.png

...k/css/lib/images/ui-bg_highlight-soft_75_dcdcdc_1x100.png

...k/css/lib/images/ui-bg_highlight-soft_75_dddddd_1x100.png

...k/css/lib/images/ui-bg_highlight-soft_75_efefef_1x100.png

...slick/css/lib/images/ui-bg_inset-soft_75_dfdfdf_1x100.png

gui/slick/css/lib/images/ui-icons_222222_256x240.png

gui/slick/css/lib/images/ui-icons_2e83ff_256x240.png

gui/slick/css/lib/images/ui-icons_8c291d_256x240.png

gui/slick/css/lib/images/ui-icons_cd0a0a_256x240.png

gui/slick/js/lib/jquery-ui-1.10.4.custom.min.js