Support Colemak layout

java/res/values/donottranslate.xml

java/res/xml-sw600dp/key_colemak_semicolon.xml

java/res/xml-sw600dp/rows_colemak.xml

java/res/xml-sw768dp/rows_colemak.xml

java/res/xml/kbd_colemak.xml

java/res/xml/key_colemak_semicolon.xml

java/res/xml/keyboard_layout_set_colemak.xml

java/res/xml/rowkeys_colemak1.xml

java/res/xml/rowkeys_colemak2.xml

java/res/xml/rowkeys_colemak3.xml

java/res/xml/rows_colemak.xml