Totals need rounding on the /hours page

[spydmobile]

totals like this mess up the entire flow and theme of the web app:
If the bottom totals were rounded to 2 decimals like the actual ours are, it would look much nicer.
total:
4.71
0.0
5.550000000000001
7.139999999999999
0.0
0.0
0.0

My system:
Environment:
Redmine version 2.5.0.stable.12982
Ruby version 2.0.0-p451 (2014-02-24) [x86_64-linux]
Rails version 3.2.17
Environment production
Database adapter Mysql2
SCM:
Subversion 1.6.17
Git 1.7.9.5
Filesystem
Redmine plugins:
autowatch 0.1.0
redmine_admin_monitor 1.0.0
redmine_announcements 1.0
redmine_banner 0.1.0
redmine_better_gantt_chart 0.9.0
redmine_charts2 0.2.1
redmine_code_review 0.6.3
redmine_custom_css 0.1.4
redmine_dashboard 2.3.3
redmine_default_group 0.0.1
redmine_digest 0.2.0
redmine_hours 0.1.1
redmine_issue_checklist 2.0.5
redmine_issue_favicon 0.0.1
redmine_login_audit 0.1.4
redmine_logs 0.0.5
redmine_my_page_queries 2.0.9
redmine_open_links_in_new_window 0.0.3
redmine_people 0.1.8
redmine_planning 0.7.6
redmine_spent_time 2.6.6
timelog_timer 2.0.0