Fix #154
Remove scrolling animation #154
Align current items at the top even if it is too short
Fix loop back issue by @seanrand
Merge remote-tracking branch 'pablor44/fix154-clean' into scroll_mode_option
Change scroll-div height calculation
Refactoring and bugfixing in nextprev function
Add old scroll logic back in, cleanup
Add option top_align_on_move