core: ES translations

- Transifex export

Change-Id: Ie86f56557f2df45e3832cfdd56ffd2d3e8fbb213
Revert "QS: Make it possible to show smaller icons (1/2)"

This reverts commit bcea64483753755cfe51e736b6d2e3e24817e70b.
qs: sync volume tile icon

Display the current volume level in the volume qs tile

Patchset 2: Remove trailing whitespaces

Change-Id: I2dcf31ab2476883770a01ca1b015e3973417e855
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>