Add fs filter for df command line (don't take devfs, and tmpfs)
Merge pull request #612 from CyrilPeponnet/improve-health-monitor

[ArchipelAgent] Add fs filter for df command line (don't take devfs, and tmpfs)
add getInfo for Node informations
Replace CPUTime by CPU usage in Agent
Modify the message contents when chatting
Replace CPUTime by Percent in UI (change also the message when chatting).
Add preferences for refresh CPU usage time
Added an auto refresh timer for CPU Usage
Fix #617 and Final PR for #613
Fix #572 - Stat Database max row before purge
Improved query to avoid listing a big row.

Also changed the pruge trigger to 1.5 time the max row count (2 time is
quite long in fact).
Merge pull request #620 from CyrilPeponnet/fix-db-stat-purge

Fix #572 - Stat Database max row before purge

Reviewed.
Update version of Cappuccino
Revert "Merge pull request #620 from CyrilPeponnet/fix-db-stat-purge"

This reverts commit 5cc4aeb17dccc9445e32dc88be2601a1f085c25f, reversing
changes made to db501243d9009b179f5019991553cf2d21cb0ae8.
Merge branch 'add-virtualmachine-cpu-usage' of https://github.com/CyrilPeponnet/Archipel into pr-618
Change the query, and the trigger before purge (1.5 time the max row count will trigger the purge to keep only max row count records).

This should work on any SQLite3 binaries.
Revert Repeat change on CPTimer for Screenshots as it is recreated in ImageDidLoad
Add a nice sentence when asking the hypervisor about nodeinfo.
Update version of Cappuccino
Take care of the new popover internals to set default button