build_tools/make_version: Strip off the leading 'v' in the version string.

Quote: "It's a change. People hate change"

Make the version string say something like 2.6.2 instead of v2.6.2.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
(cherry picked from commit 9b0d19c05449071c40827efbb0b0a5b302da435f)
build_tools/make_version: Only strip 'v' if followed by a digit.

Do not want to accidentally change the tag "very_cool" to "ery_cool".

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
(cherry picked from commit 7714d5d94e3cb6d3ff5e9eceaee5b131a43b0ce8)
Kbuild: Fix OSLEC build error

Fixes up the kbuild to work with compiling OSLEC from the kernel source. See
HOWTO here: http://forums.digium.com/viewtopic.php?t=67164

Internal-Issue-ID: DAHLIN-317
Reported-By: Vladimir Mikhelson
Signed-off-by: Russ Meyerriecks <rmeyerriecks@digium.com>
(cherry picked from commit f09daed735f1be091fe9f177f675d0c87ad65900)