Removed sharing button from long click in open timelines dialog. Reduced
the stretching of some dashboard buttons

Signed-off-by: Vallle <seifer_50@hotmail.com>
Merge branch 'master' of https://github.com/Vallle/timeline-gamified.git
Merge branch 'master' of https://github.com/Vallle/timeline-gamified.git
Dashboard visual tweaks, small changes to tutorial strings, changed icon
for the push notification.

Signed-off-by: Vallle <seifer_50@hotmail.com>