[fix bug 826284] Update Basket when user joins or leaves Group.
[fix bug 748559] Change group url to /group/<url>.
[fix bug 832968] Make group.url unique with AutoSlugField.
[fix bug 763513] Redirect GroupAliases to parent Group if exists.
[fix bug 748057] Allow uploads with non-ascii filename.
Merge pull request #380 from glogiotatidis/748057

[fix bug 748057] Allow uploads with non-ascii filename.
Merge pull request #372 from glogiotatidis/826284

[fix bug 826284] Update Basket when user joins or leaves Group.
Update LICENSE

added the 2013 date on it
Merge pull request #381 from satdav/patch-1

Update LICENSE
[Fix Bug 698912] Add Apple Touch icons for all iOS devices
Merge pull request #383 from Sancus/iosicons

[Fix Bug 698912] Add Apple Touch icons for all iOS devices
Merge pull request #378 from glogiotatidis/groups

Groups
[bug 748057] Allow image filenames without type extension.
Merge pull request #385 from glogiotatidis/748057

[bug 748057] Allow image filenames without type extension.
[bug 748559] Fix Skill and Language data migrations.
[bug 837083] New elastic search config for global search box.
[fix bug 690423] Order search results by _score,fullname. UserProfile by fullname.
Merge pull request #387 from glogiotatidis/groups2

[bug 748559] Fix Skill and Language data migrations.
Merge pull request #384 from glogiotatidis/search

[bug 837083] New elastic search for global search box.