n#862510: Fix text rotation.

Fix breaks document in n#783433 - the one there is
damaged - resaving it using mso 2010 should fix the problem there.
Ported from: e3e12b1d1e36e1a0d4fc4c6423b584d677693897

Change-Id: I56fbefa9de6b0714592cc64dffc011b27d1907f4
n#862510: anchorCtr controls the anchoring as well.

Ported from: c17eb67460293fbe72ffa8e80cd10743df493afa

Change-Id: I7b5885c3ac9ec30970bdb8b2c9318dc181dda5bd
n#870234: Import gradfill for text colors.

Uses the first color from the gradfill list.
(Which is better than plain black!)

Ported from: cfc76de83e3c0a56abd30a8f3bd7c69d3500d223

Change-Id: I772274634c0e3ab13b7b03a5b676138999a4439a