[fix] #731915 use add_onload instead of plain <script> tag for progress bar.
This changeset fixes : #731915: missing inprogress style on the project page
Content fetched with ajax have their <script> tags removed. (see #734414) We
now use the _cw.html_headers.add_onload method to execute the javascript code
necessary to draw the progress bar.
In the process we removed the ProgressBarWidget and merged it in
ProgressTableView.
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/common/ usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/entities/ usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/ext/ usr/lib/PY_VERSION/site-packages/cubicweb
debian/tmp/usr/share/cubicweb/cubes/shared/i18n usr/share/cubicweb/cubes/shared/
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/*.py usr/share/pyshared/cubicweb