Merge pull request #9 from hutton/v2.1

V2.1
Merge pull request #10 from hutton/v2.2

V2.2
Merge pull request #11 from hutton/v2.3

V2.3
Merge pull request #12 from hutton/v2.4

V2.4
Merge pull request #13 from hutton/v2.5

V2.5
Merge pull request #14 from hutton/v2.6

V2.6
Update event2.html
Update about.html
Update help.html
Update index.html
Merge pull request #15 from hutton/master

2.7