“使用于” -> “适用于”
fix `git lg` alias config command
Merge pull request #49 from jkeylu/master

fix `git lg` alias config command
Merge pull request #48 from teeceepee/patch-1

Fix typo, “使用于” -> “适用于”
Add tutorial of GitHub branches page

Describe how to work with the GitHub branches page:
- [x] Basic comparing
- [x] *Hidden* - How to change the base branch. Something otherwise available only locally.
- [x] Show the merged branches.
Merge pull request #50 from hkdobrev/github-merged-branches

Add tutorial of GitHub branches page
Fix heading casing
Fixed typo.
Merge pull request #51 from JoeFairburn/patch-1

Fixed typo.
Made cosmetic changes.
Merge pull request #52 from JoeFairburn/patch-1

Made cosmetic changes.
Merge branch 'master' into add/pl-translation

Keep in sync with upstream changes