fix text below subject jumps when hovering over subject
support firefox 33.0.3
Merge pull request #2169 from opf/fix/selenium_version

support firefox 33.0.3
add gulp watch support
Merge pull request #2170 from 0xF013/feature/add-gulp-watch

add gulp watch support
Merge pull request #2154 from 0xF013/feature/17215-text-below-subject-jumps-when-hovering
editable description support