Revert "second commit that will be reverted but aded some "styles to panel""

This reverts commit d9fc76406271c7156116c06f10c830145e5bf8ba.
Revert "the uglies commit I ever made and will do I hope, but added prorotype of panel to my app example. toto: destroy it"

This reverts commit 37fb811a074f6ab46cb85882c1dde3192ab34e88.
playing a little bit more with angular (some changes will disappear as currently that is not work on base setup of app but rather framework investigation)