[components] `content_components` (e.g `rqlinput` and `applmessages` components) must be placed before the `div.pageContent` to avoid them vanish after `div.pageContent` reloaded.

closes #3905675

* remove upper case letters in package name
* distribution is unstable (precise is Ubuntu specific)

Added tag cubicweb-squareui-centos-version-0.3.4-1, cubicweb-squareui-version-0.3.4, cubicweb-squareui-debian-version-0.3.4-1 for changeset 9beedd087d07

Added tag cubicweb-squareui-centos-version-0.3.3-1, cubicweb-squareui-version-0.3.3, cubicweb-squareui-debian-version-0.3.3-1 for changeset bad81249f6cc

* the contentCol carring layout information (class="col-dm-X")
  is now div#main-center instead of div#pageContent (see cset 1545a8e37c6c)

* HideLeftBar is renamed into HideAsidesBar

Added tag cubicweb-squareui-centos-version-0.3.2-1, cubicweb-squareui-version-0.3.2, cubicweb-squareui-debian-version-0.3.2-1 for changeset 4741ac6e2748

Added tag cubicweb-squareui-centos-version-0.3.1-1, cubicweb-squareui-version-0.3.1, cubicweb-squareui-debian-version-0.3.1-1 for changeset fd36d7fcddd9

Follow up to commit 1c3434c6afd7.

Added tag cubicweb-squareui-centos-version-0.3.0-1, cubicweb-squareui-version-0.3.0, cubicweb-squareui-debian-version-0.3.0-1 for changeset 4f234e23a1ac

* remove useless classes and id
* add aria-roles

(closes #3553532)

Fix tag ubicweb-squareui-centos-version-0.2.1-1, cubicweb-squareui-version-0.2.1, cubicweb-squareui-debian-version-0.2.1-1 for changeset eee3a61ef6a4

Added tag cubicweb-squareui-centos-version-0.2.1-1, cubicweb-squareui-version-0.2.1, cubicweb-squareui-debian-version-0.2.1-1 for changeset b86b9d1f7199

Added tag cubicweb-squareui-version-0.2.0, cubicweb-squareui-centos-version-0.2.0, cubicweb-squareui-debian-version-0.2.0 for changeset 075b608379fe

clean the TheMainTemplate