Clarify Installation Instructions in README

[slimhk45]

The README currently lists two sets of installation instructions that appear contradictory and may confuse users:

Available on PyPI

$ pip install BetterADBSync

and

PC Side

• Install the Android SDK (the
  stand-alone Android SDK "for an existing IDE" is sufficient). Alternatively,
  some Linux distributions come with a package named like "android-tools-adb"
  that contains the required tool.
• Make sure "adb" is in your PATH. If you use a package from your Linux
  distribution, this should already be the case; if you used the SDK, you
  probably will have to add an entry to PATH in your ~/.profile file, log out
  and log back in.
• git clone https://github.com/google/adb-sync
• cd adb-sync
• Copy or symlink the adb-sync script somewhere in your PATH. For example:
  cp adb-sync /usr/local/bin/

The latter seems to be the installation method for the original ADB Sync by Google, not for Better ADB Sync. Am I right? If so it should be removed for clarity.

[emrecio]

Good point on ambiguity; I never got that far on the PC bit, just to bullet point 1 (and by default reference 2). Not sure if that's a PC specific thing, I just downloaded the Google Android dev tools, set up my paths, wherever I install. The first part is to download this software itself. So it implies that you have python3+pip installed in whatever your platform is.

The way I read it was "pip3 install foo" and "make sure you have adb in your path" and that was all i needed. LOL

So yeah, it can be reworded to make it clearer.

[emrecio]

@slimhk45 FYI This project seems to be dead; however, there's an actively maintained fork of this project at https://github.com/jpstotz/better-adb-sync