having an easy to press close button

though it is a bit "ugly" hence I'm not sure everybody will happy with this
Merge pull request #42 from houqp/houqp-master

update translation
Merge pull request #44 from th0mass/fe3fc9039909e6051321dd7d0b5ffbd42c886b8a

having a bigger close icon could be a good idea
Merge pull request #43 from houqp/houqp-master

update koreader-base
use char(95)(underscore) to avoid conflict with gettext macro
Makefile fix
i. add make mo in rule of make all
ii. make make customupdate depend on make all
iii. copy i18n in current directory
Merge pull request #45 from chrox/gettext_str_fix

use char(95)(underscore) to avoid conflict with gettext macro
Merge pull request #46 from chrox/master

fix Makefile
update gettext template