add span for capacity

Change-Id: I942f008178d69cba696102bd95fe2c1b7a91708c
Effort is in red if it's in overcapacity

Change-Id: Ie389965426e138062ed30168a02b770275b8a812
Merge commit 'refs/changes/79/579/3' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Effort is in red if it's in overcapacity
  add span for capacity

Change-Id: I1b4533cd5a9c7ee2aab246aa796607fac4fce620
This is Tuleap 6.2.99.7

Change-Id: I5537bd1055a7c87eaf7f6b9c21ae34224e9ead07