consolidate aur scripts into a single pkgbuild

Signed-off-by: Andrew Turner <andrewjamesturner0@gmail.com>
update .gitignore to ignore built packages

Signed-off-by: Andrew Turner <andrewjamesturner0@gmail.com>
lvmsnap/PKGBUILD: update version number

Signed-off-by: Andrew Turner <andrewjamesturner0@gmail.com>
ADD: abc/PKGBUILD

Signed-off-by: Andrew Turner <andrewjamesturner0@gmail.com>