Refactor text edit constructor
Placeholder for right-click
Refactor & remove unnecessary comment about middle button
Memove unnecessary comment about middle button
Refactor, placeholder for left click
Note about middle-click default behaviour
Note about middle-click to jump into file
Add tests - string utilities
Change test filename

--HG--
rename : tests/string_utils.rb => tests/test_string_utils.rb
Remove Ruby 1.8 comment from script
Add loadpath to script
Add method to get the current dir of the executing Ruby script
Change require to make use of loadpath in main.rb
Add espada path for convenience
Add espada path into utils
Change all 'require's to use loadpath
Fix espada_path error when App is not created
Update espada_path in utils
Fix icon loading error - wrong path