Merge branch 'hotfix/position_on_reverse_route'
add group view
Merge branch 'release/20130928-2'
group_ranking start from 2013-10-01
modify text
add weekly graph
fix label
fix label line
limit range
fix case of weekly records less than 10
fix bug
modify group ranking by total distance.
modify group ranking start from 2013-11-01. modify view words.
グループランキングの期間を10月一杯に限定
Merge branch 'release/20131031-1'
集計期間を追加(2013-11-01 <= x < 2013-12-01)
Merge branch 'feature/group_ranking_201311' into develop

Conflicts:
	app/models/group_ranking.rb
Merge branch 'release/rel_20131101'
グループランキングの表記を修正
group_ranking: 合計距離になってなかったので修正