Fix some erros with terminal.osa

i found an error with the last update and now i added a validation to see if the terminal process is open.
Fixed visual bug on startup
Merge pull request #136 from Azakur4/master

Fix some erros with terminal.osa
Changelog credits...
Merge pull request #134 from FezVrasta/master

New icons and restyle of the git-panel structure
Commented less file a bit...
Refactor & fix JSHint errors...
Migrate to new preferences API (#133)
Fix #138
Refactor Git gutters... (#135)
Fix pushing bug...
Fix #135
Update strings.js
Update strings.js
Update strings.js
Merge pull request #139 from Azakur4/master

Update strings.js (Português Brazil)
Update Changelog...
Do not add margin to icons which are without text
Added Italian translation