refer to Database.add in docs of Database.add_from_path
added "Raises" section in Database.remove_tag
merge two imports into one
strip out wheel command
yml patch
upgrade flag
Merge branch 'staging' of https://github.com/sunpy/sunpy into database
typo
added docstrings to database.commands.{Add,Edit,Remove}Entry
test removing tags and undoing this operation
raise NonRemovableTagError if one attempts to remove a tag from an entry that is not saved in this entry
Merge remote-tracking branch 'upstream/0.3' into 0.3_wheels

Conflicts:
	.travis.yml
change matrix
force jurko version, due to pip 1.4 versioning bug
Tidy and comment yml
small tweaks
Small changes
add parallel plugin
syntax fix
drop parallel