Add "Prototype"
Add "Builder"
Add "AbstractFactory"
Add live coding log "Singleton"
Add live coding log "Prototype"
Add connpass links.
Merge pull request #2 from treby/feature/add_connpass_link

Add connpass links.
Merge branch 'master' of github.com:otiai10/DesignPattern.java
Live coding log: "Builder"
Add No.6 link.
Add live coding log "AbstractFactory"
Merge pull request #3 from treby/feature/20140903_add_link

Add connpass link(No.6).
Add "Bridge"
Add "Strategy"
Add 7th workshop link.
Merge pull request #4 from treby/feature/20140910_add_link

Add 7th workshop link.