Replace keybind for "Open Log Panel" on OSX

Since super + ` is a built-in command on OSX responsible to change between open windows, it does not make
sense mantain that keybing for SublimeApex.
So I changed the keybind to: ALT + `
Replace "Open Log Panel" keybind and change the correspondent message

I realized that the keybind super + ` can not be replaced to alt + ` because it does not work
on most OSX versions.
So I replaced the super + `, that conflicts with OSX built-in keybind to super+alt+`
Removing "Open Console Log" key binding for OSX

Since the "Console Log" has conflitant keybind and can only be available after synchronize
with Salesforce, and even when it happens it is automatically opened to show status.
It was decided to purge that conflitant key binding, that can not be used most of the time.
Merge pull request #34 from cefigueiredo/adjust_osx_keybind

Removing "Open Console Log" key binding for OSX
Release 0.7.3