use timepicker to force users to use HH:MM

3rdparty/timepicker/GPL-LICENSE.txt

3rdparty/timepicker/MIT-LICENSE.txt

.../include/images/ui-bg_diagonals-thick_18_b81900_40x40.png

.../include/images/ui-bg_diagonals-thick_20_666666_40x40.png

...picker/css/include/images/ui-bg_flat_10_000000_40x100.png

...icker/css/include/images/ui-bg_glass_100_f6f6f6_1x400.png

...icker/css/include/images/ui-bg_glass_100_fdf5ce_1x400.png

...picker/css/include/images/ui-bg_glass_65_ffffff_1x400.png

...css/include/images/ui-bg_gloss-wave_35_f6a828_500x100.png

.../include/images/ui-bg_highlight-soft_100_eeeeee_1x100.png

...s/include/images/ui-bg_highlight-soft_75_ffe45c_1x100.png

...timepicker/css/include/images/ui-icons_222222_256x240.png

...timepicker/css/include/images/ui-icons_228ef1_256x240.png

...timepicker/css/include/images/ui-icons_ef8c08_256x240.png

...timepicker/css/include/images/ui-icons_ffd27a_256x240.png

...timepicker/css/include/images/ui-icons_ffffff_256x240.png

3rdparty/timepicker/css/include/jquery-1.5.1.min.js

3rdparty/timepicker/css/include/jquery-ui-1.8.14.custom.css

3rdparty/timepicker/css/include/jquery.ui.core.min.js

3rdparty/timepicker/css/include/jquery.ui.position.min.js