Fix setting of ui-corner-top class

The first visible div can be not only hdiv, but the div .ui-userdata
with the top toolbar, or .ui-jqgrid-toppager in case of usage
toppager:true.
move common parts from locale to base
update to closure v20141120, change filenames
Fix small syntax error
Update gradle wrapper to v.2.2.1
some cleanup to work with bootstrap, removing of !important

To remove !important I make some selectors longer. It's clear, that all
will work a little slowly, but the usage of `!important` really need be
removed. Later one can analyse CSS rules to improve the performance.
delete non UTF-encoded language files
fix border-right of .ui-jqgrid-pager
small changes
use more readable text form
restore newline at end of file
restore newline at the end of file
reformat the file to make it more readable
correct language name and small fixes
fix UTF-8 encoding, reformat to make the file more readable
fix UTF-8 encoding, small fixes
small fixes
fix incorrect usage of this
scrollTop have Number type. use ===
use === instead of ==