Add Makefile.

* Makefile: Add it.
* 2014.1to2014.2.sh: Remove.
* 2014.2/from2014.1/01_fix_display_monitor_configs, 2014.2/from2014.1/99_apt-get-update.sh,
  2014.2/from2014.2RC/99_apt-get-update.sh: Remove shebang.
* from2014.1to2014.2.sh, from2014.2RCto2014.2.sh: Generated from `make'.

Change-Id: Ia0a9972d93bedbd8055271171573d9a4f7c0b23b