Set the interval of pusher notification to 3 sec.

  for avoid exceeding the limitation of pusher services.
tiny improve the botton style
File name typo
ajust place result doc
allow iframe embed when development env
generate trade stats
Fixed rspec tests
calculate fund stats
calculate wallet stats
calculate top stats
make stats daemon more robust
add-apt-repository is provided by another package

add-apt-repository is provided by software-properties-common instead of python-software-properties in Ubuntu 14.04
Merge pull request #300 from ixcoin123/patch-2

add-apt-repository is provided by another package
Merge remote-tracking branch 'origin/stable'
fetch stats point in task
deliver daily stats mail
fix stats timestamp, use local time
better daily stats mail subject
fill more stats in daily summary
add translations for daily summary