updated release date
added #915 and #916 to CHANGELOG
added #746
updated description of #916
Merge pull request #923 from YaleSTC/889_changelog_v343_hotfix

[v3.4] 889 changelog v343 hotfix
add mag glass
puts search icon in placeholder text - webkit (modified)

Conflicts:
	db/schema.rb
fixed pseudoclasses for FF
inverted searchbar colors
commented on broken placeholder text in FF
added another space after the icon
added #293 to CHANGELOG
Merge pull request #929 from YaleSTC/293_search_34

resolves #293 for v3.4
Merge branch 'release-v3.4' into v3.4.3_DEV
enable staging env