Update project_building_blocks.md

Student solution added! Thank you!

Terry
Update project_html_css.md
Update project_building_blocks.md

Student Solution added for Ruby building blocks section - substrings.rb
Update project to include Donald's Solution
Added Mark W's student solution
Merge pull request #217 from donaldali/patch-6

Update project to include Donald's Solution
merge
Merge pull request #216 from mousterian/master

pls add rails forms solution
Merge pull request #215 from bucifer/patch-2

Update project_building_blocks.md
Merge pull request #214 from Cedricgc/patch-2

Update project_html_css.md
Merge branch 'patch-1' of https://github.com/bucifer/curriculum
merge
remove spaces from suggested directory name
Update project to include Donald's Solutions
added my solution to the hangman project
correct minor spelling error

Changed "How do you issues an HTTP request in Ruby?" to "How do you issue an HTTP request in Ruby?"
Merge pull request #219 from donaldali/patch-7

Update project to include Donald's Solutions
Merge pull request #221 from jayrobin/patch-2

correct minor spelling error
Merge pull request #220 from jayrobin/patch-1

added my solution to the hangman project
Added my own solution

My solution using pure JavaScript, no jQuery