lineage: Simplify README and update with minor fixes

LineageOS

===========

Submitting Patches

------------------

Patches are always welcome!  Please submit your patches via LineageOS Gerrit.

You can do this by using these commands:

    (From root android directory)

    . build/envsetup.sh

    (Go to repo you are patching, make your changes and commit)

    cmgerrit <for(new)/changes(patch set)> <branch/change-id>

    repo start cm-13.0 .

    (Make your changes and commit)

    repo upload .

Note: "." means the current directory

For more help on using this tool, use this command: `repo help upload`

Make your changes and commit with a detailed message, starting with what you are working with (i.e. "vision: Update Kernel")

Commit your patches in a single commit. Squash multiple commits using this command: `git rebase -i HEAD~<# of commits>`

To view the status of your and others' patches, visit [LineageOS Code Review](https://review.lineageos.org/)

Getting Started

Getting started

---------------

To get started with Android/LineageOS, you'll need to get

familiar with [Git and Repo](https://source.android.com/source/using-repo.html).

familiar with [Repo](https://source.android.com/source/using-repo.html) and [Version Control with Git](https://source.android.com/source/version-control.html).

To initialize your local repository using the LineageOS trees, use a command like this:

```

repo init -u git://github.com/LineageOS/android.git -b cm-13.0

```

Then to sync up:

```

repo sync

```

Please see the [LineageOS Wiki](https://wiki.lineageos.org/) for building instructions, by device.

Submitting patches

------------------

Patches are always welcome! Please submit your patches via LineageOS Gerrit!

Simply follow our guide on [how to submit patches](https://wiki.lineageos.org/submitting-patch-howto.html).

Please see the [LineageOS Wiki](https://wiki.lineageos.org/) for building instructions.

To view the status of your and others' patches, visit [LineageOS Gerrit Code Review](https://review.lineageos.org/).

Buildbot

All supported devices are built weekly and periodically as changes are committed to ensure the source trees remain buildable.

You can view the current build statuses at [LineageOS Jenkins](https://jenkins.lineageos.org/)

You can view the current build statuses at [LineageOS Jenkins](https://jenkins.lineageos.org/).

Builds produced weekly by the buildbot can be downloaded from [LineageOS downloads](https://download.lineageos.org/)

Builds produced weekly by the buildbot can be downloaded from [LineageOS downloads](https://download.lineageos.org/).