chore(build): bump version number

chore(build): bump version number

fix(build): fix rc version number

chore(*): update package version & exclude comment issues from stale bot

fix(css): search box height issue on chrome 71 (ppoffice#721)

fix(style): wrap all words in article content

fix(schema): move search schemas to npm dep

chore: merge changes from master branch

chore: update package version

fix(ci): fix travis ci release job