remove special characters from directory name.

[Madouc]

can´t clone into windows because of the use of : in a directory name (OpenROV Depth:IMU Module v2 Data Package)

$ git clone https://github.com/OpenROV/openrov-electronics.git
Cloning into 'openrov-electronics'...
remote: Counting objects: 440, done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 440 (delta 0), reused 0 (delta 0), pack-reused 438
Receiving objects: 100% (440/440), 21.09 MiB | 5.97 MiB/s, done.
Resolving deltas: 100% (151/151), done.
Checking connectivity... done.
fatal: cannot create directory at 'OpenROV Depth:IMU Module v2 Data Package': In valid argument
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'