Changelog entry for #927
Added changelog entries for #741, #805, #845, #893, #928, #932
Merge pull request #867 from iguananaut/issue-867

pip install problem - owner of .astropy is root
Conflicts:

	astropy/utils/timer.py
Merge pull request #875 from astrofrog/fix-issue-875

dms declinations with -00 not treated correctly
Added changelog entries for #867 and #875