Fixes #69

Eliminated IsActiveObjectMixin from projects view and
added CanEditMixin. All projects can now be viewed
regarless of their status but only edited by creator
or collaborators. Search results will only show projects
that are currently active though.
Fixes #80

Added entype to registration form. Image was not getting saved.
Fixes #73 fixes #74

Project creators now have a reminder of the number of draft
projects they have. Drafts also show individually when a
user access the project serach page. They appear above the search bar
with a link to the project details page.
Fixes #82

Collaborators field has added to the project form.
A new lookup class was created for users. Collaborators
can be found by either email or name.
Fixes #79

Icon for external links was added to main navigation
menu.
Fixes #81

Adds icons for organizations and removes prefix "organization" from
search results.
Gravatars for companies refs #91

Gravatars for organizations are not circular. The sizing portion
of this problem was already implemented.
fixes #74

Draft projects are displayed on the project listing page
If user has drafts a badge with the number of drafts shows
on the main navigation menu.
Corrected failing tests.

Template tag "count_drafts", "show_drafts" failed when anonymous user
was passed as an argument.
Fixes #89

Took care of the punch list related to projects.
A couple of fields were added to the index.
New faceted field: "num_users"
Fixes #88

- Allows editing of package type by logged in users
- Adds application Taxonomy
- Package Models adds ManyToManyField to taxonomy model
- Reduce size for h{1, 2, 3, 4} in Package Deatil Page
- Got rid off the PyPi Badge
- Packages details page shows projects that use package
- Packages can now be filter down by license
- Adds a # of results found
- Got rid of the '/d' in many urls
Modified settings/base.file

New app "taxonomy" was change to the begining of internal
apps.
Fixes 87

List of filters applied to the current search are displayed.
Number of results found added to search listings.
Number of results per page was change from 20 to 10
Fixes #91

- Filter labels no longer contain underscores
- Associated projects are shown on user's profile
- Gravatar email's value mirrors email value.
Fixes #90

Implemented a simple community page, basic layout and with a latest
feed items columns.
Changed column sizes for community page.

Page is divided equally among the three columns.
Merge pull request #98 from rapidsms/issue90

Fixes many tickets