added icons to popup template
styles for icons
delete from connections after sever
adjust buttons after templete load
bar method for deleting nodes
styles for popup
extended template
Adjust CSS of goal window
Add saving title to node functionality
Adjust goal window divs
Merge branch 'master' into st/popup
align time interval texts and implement text highlighting on css
Change gemfile to ruby 1.9.3
delete node and its connections
complex connections can now be deleted on node deletion
Merge pull request #25 from shidel-dev/st/popup

St/popup
Merge branch 'master' into st/realign-text

Conflicts:
	app/views/welcome/index.html.erb
Merge pull request #26 from shidel-dev/st/realign-text

St/realign text
save text on exit
bug with popup staying after node being deleted