Database Docs Update (database.rst)

Modified the doc entry for "Connecting and initializing the database"
Database Docs Update (database.rst)

Edited "Adding new Entries" main article
Database Docs Update (database.rst)

Modified "Removing Entries"
Modify the EIT files so they are proper FITS as astropy want them to be, also they include a history tag
Write each line in comments and history to a seperate FITS card.

New line characters are not allowed in COMMENT and HISTORY header cards.
This writes each line in meta['COMMENT'] to a seperate FITS card.
Remove some deprecated code from mapbase tests
Add a offline build to Travis matrix and bump versions.
Set the offline test flag properly
Merge pull request #2 from Cadair/fix_eit_files

Fix eit files
changed in by is 'history' and don't add empty keys to the header
Database Docs Update (database.rst)

Broke down the Markdown Bullet list lines into multiple lines
changed is relations by ==
Merge pull request #996 from Cadair/travis_offline

Add an offline build to the Travis matrix
Merge branch 'master_ups' into fix_eitfiles
Merge pull request #995 from dpshelio/fix_eitfiles

Modify the EIT files for the good of Travis
Merge pull request #991 from rajul-iitkgp/database_docs

[DocFix]: Edited SunPy Database module docs
Only run coveralls on the online tests and not the docs or offline.
Typo fix
Merge pull request #999 from Cadair/travis_offline

Only run coveralls on the online tests and not the docs or offline.
Fix database file numbers