Support query result blocks with the wave unit kev.

This fixes #766.
JP2s now flipped the correct way
database.tables.display_entries: do not display microseconds
Fix Database.query with the Time attribute.
This fixes #771.
Merge branch 'master' of https://github.com/sunpy/sunpy into issue766
Merge branch 'master' of https://github.com/sunpy/sunpy into issue771
Merge branch 'master' of https://github.com/sunpy/sunpy into displ-entries-time
Temporary fix for sphinx fails on Travis
Merge branch 'master' of https://github.com/sunpy/sunpy into issue766
Merge pull request #767 from derdon/issue766

Support query result blocks with the wave unit kev.
added pytest.ini.
ignores the build and *.egg-info dirs and does not test doctest text files
Merge branch 'master' of https://github.com/sunpy/sunpy into displ-entries-time
Merge pull request #769 from derdon/displ-entries-time

database.tables.display_entries: do not display microseconds
Merge branch 'master' of https://github.com/sunpy/sunpy into issue771
Move all sphinx doc source out of sunpy dir.
Change any broken links / refs
updates tests from test_attrs.py to latest changes
Merge pull request #779 from Cadair/move_docs

Move docs from doc/source/sunpy to doc/source - @Cadair bets it fixes the problem.
Rename lightcurve.header to lightcurve.meta

Also added a warning when .header is used.
change warning text