Additional fixes - take 2

Added forced read/write permissions to data directory creation (chmod).
Added 'wget' vs. 'curl' binary existence verification - 'wget' is not a default on all distributions.
Modified some variable names to clarify their role in the script.
Cleaned up prompts and fixed typos.
Update fix.sh
Additional fixes - Take 3

Added forced read/write permissions to data directory creation (chmod).
Added 'wget' vs. 'curl' binary existence verification - 'wget' is not a default on all distributions.
Modified some variable names to clarify their role in the script.
Cleaned up prompts and fixed typos.
Removed trailing and duplicate spaces.
Version

Fixed version typo
Merge pull request #21 from nathaneltitane/master

Additional Fixes - Take 3