Committing:

git add .`` OR git add path/to/fileORgit add *.png`

git commit -m "Your Message"

git push origin YourBranchName (gh-pages)

Branching:

List branches: git branch

Create branch with the current branch git checkout -b BranchName

delete local branch git branch -D BranchName

push delete branch git push origin :branchName

Merging

merge a branch into current branch

git merge BranchNameToMergeFrom