fixed SVG markersto work with anchor point=bottom
fix crash when removing layers with highlighed features
[TRANSUP] nb by James

Signed-off-by: Werner Macho <werner.macho@gmail.com>
Merge pull request #1292 from anitagraser/master

fixed SVG markers to work with anchor point=bottom
[TRANSUP] pl: legend context menu
Merge pull request #1295 from Cracert/i18n

[TRANSUP] pl: legend context menu
[composer] Default to miter style for shapes and page background
Fix some symbol properties reseting when symbol dialog opens, make dialog safer by always blocking signals before updating initial state of controls
[composer] Allow setting the join style for composer item frames
Bring composition to front and automatically activate atlas preview when running the "set as atlas feature" action (sponsored by SIGE)