Merge pull request #1539 from UCLALibrary/jquery-ui-css-scope

scope Mirador's jQuery UI CSS rules to '.mirador-container'

Merge pull request #1539 from UCLALibrary/jquery-ui-css-scope

scope Mirador's jQuery UI CSS rules to '.mirador-container'

Merge pull request #1474 from ProjectMirador/develop

Release 2.6.0

increment version number for 2.5.1 release

Merge pull request #1449 from ProjectMirador/fix-recursion-errors

Fix recursion errors

Merge pull request #1372 from ProjectMirador/2.4.0

Merge 2.4.0 development branch into master

Merge pull request #1360 from ProjectMirador/2.3.0

Merge release branch with master.

Merge pull request #1351 from ProjectMirador/2.2.1-backports

Release 2.2.1 backports

Merge pull request #1294 from ProjectMirador/2.2.0

Merging 2.2.0 branch into master for official release.

Merge pull request #1283 from ProjectMirador/2.1.4

Merge 2.1.4 development branch into master for release.