#212 Make compile and checkout scripts executable

[singhd789]

• make scripts executable after creating
• moved chmod lines earlier in scripts

Describe your changes

Issue ticket number and link (if applicable)

Checklist before requesting a review

• I ran my code
• I tried to make my code readable
• I tried to comment my code
• I wrote a new test, if applicable
• I wrote new instructions/documentation, if applicable
• I ran pytest and inspected it's output
• I ran pylint and attempted to implement some of it's feedback

[ilaflott]

@ceblanton @thomas-robinson can someone make @laurenchilutti s reviews offish?