Merge branch 'release/release-1.2.12' into develop
updated CHANGELOG
added SOUTH_DATABASE_ADAPTERS setting
updated percent_match function to use difflib
added new version of percent_match to import_to_symp
added title that are being compared in print outs
Update CHANGELOG.rst

rst format fix (title underline too short)
corrected Library Tools and Resources menus in header
corrected titles on browse pages
updated release number and CHANGELOG.rst
corrected typeo
updated changelog
updated change log
updated release number for prod release
Merge branch 'release/release-1.2.13'