Migration to foundation 5 - conduct new experiment view.
Draft of PLCloud view; PLCloud classes (models, view, facade); Adding PLCloud and Image credentials
PLCloud support snapshot - creating REST client utils
Create instance, some bugs fixed and code refactor
PLCloud: Working launching VM's from GUI; stub of monitoring support
PLCloud: oneport redirections utils
Removing unnecessary CSS - fixing some layout problems => experiment list view checked.
Reformatting extension dialog.
Reformatting plgrid and amazon booster tabs.
PLCloud: snapshot of code with full support but with bug: monitoring threads are not working
PLCloud: test of creating VMs, redirecting ports, executing command via SSH and delete VMs
PLCloud: working monitoring and Simulation Manager upload; still has 'random' bug with launching service:start
SCAL-134: loading information about running/historical experiments and simulation scenarios information asynchronously
SCAL-132: adding navigation links and analysis links to top-bar along with some bug-fixes.
PLCloud: bug fixes, updated Gemfile
Merge remote-tracking branch 'origin/plcloud-support'

Conflicts:
	Gemfile
	Gemfile.lock
Merge remote-tracking branch 'origin/foundation-5'

Conflicts:
	config/locales/views/infrastructure/en.yml
SCAL-126: moving the booster dialog towards foundation-5
Bug-fixing experiment view.
Unifying booster dialogs for different infrastructures.