Update VE core submodule to master (244bf0e)

New changes:
32c7edd Localisation updates from https://translatewiki.net.
c7d61bc Round up height of language inspector widget
9473d2f Localisation updates from https://translatewiki.net.
2cffb4d build: Update grunt-jscs (formerly grunt-jscs-checker) from 0.6.0 to 0.6.1
b3f861e Localisation updates from https://translatewiki.net.
76b7992 Localisation updates from https://translatewiki.net.
76f8e90 Make the re-render flash more prominent
d2506a3 Localisation updates from https://translatewiki.net.
244bf0e CommandHelpDialog: Make closing action 'safe' not 'primary' for consistency

Change-Id: I68db9bdfa6078d4ab3b110e140c413fc6b865c1b