Replace deprecated param_dim with n_models
Update detect_sources docs
Merge pull request #109 from larrybradley/model_update

Replace deprecated param_dim with n_models
Simplify docs in scale_img
Removing ndarray conversions to keep input units
Ensure correct array dtype in centroid_com
Add docs for gaussian1d_moments
Add test for gaussian1d_moments
More morphology improvements
Fix image mask bug in centroid
Added morphology tests for image masks
Addressing PR comments
Merge pull request #108 from bsipocz/aper_table_output

Changing aperture photometry output to return astropy.table
adding do_photometry as aperture member, first draft
Changing benchmark to fit recent changes
Some speed up of do_photometry
adding do_photometry as aperture member in circ_annulus
updating benchmark
Fixing center method
adding do_photometry as aperture member in EllipticalAperture and EllipticalAnnulus