Updated x and chevron icon
Merge pull request #2921 from wordpress-mobile/issue/editor-439-chevron-x-icons

Updated X and chevron icon for the new editor
Giving a shell script better name

Renamed "Shell Script" which is a workaround for code signing issues with the today extension to "App Installation Failed Workaround" as it's more descriptive.
Merge pull request #2924 from wordpress-mobile/issue/renaming-shell-script-to-fix-signing-issues

Giving a shell script better name
Merge branch 'release/4.7' into develop