updated version number and default import

Now default import includes system_info as well as test
fix astropy Quantity error in draw_limb see astropy/#1881
Merge pull request #717 from Cadair/master

fix astropy Quantity error in draw_limb see astropy/#1881
Fixed NDData dep, however found a bug in astropy.

This commit relies upon astropy PR #1650
Fix MapMeta to allow it to be deepcopied.

This is now working after the merge of astropy #1686
bump astropy dep to 0.3.0 final
add extra numpy extractions to GenericMap
Merge pull request #634 from Cadair/issue_607

Make Map inherit from NDData
make glymur optional dependancy
fixed conflict
fixed import error
added build status to read me file and link to website
added touch icons
Merge pull request #666 from ehsteve/import

updated version number and default import
Merge pull request #723 from Cadair/issue_647_iodep

make glymur optional dependancy
Merge branch 'master' into documentation_sprint

Conflicts:
	sunpy/map/mapbase.py