androidprojectrebaser: Handle and present failed rebases
androidprojectrebaser: Handle and present failed rebases

 * Also improve androidprojectpatcher similar error output
    without colours for readability

 * Minor push_command variable renaming

Change-Id: If638d11b78d19b82175ee34da4180e578ebe404b
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools