Adds the possibility to remove a card from a cardpanel
Added listItemOptions in list view
memory flushing
Merge branch 'alu-mvp' of github.com:joshfire/joshfire-framework into alu-mvp
template prop. of a view can now accept a function (precompiled template) and handle it correctly.
Newly added children are hidden by default.
Add data-joshfire-child property to children elements of a layout.

This was previously done only in the cardpanel, as a followup to the implementation of addchild. However, this property is now used to set children elements as well and must be set in every case.
Added base file for transition pannel. Transitory commit.
First version of the transition panel.
merge