Fix some filenames to be more Linux-friendly

Two filenames: one contains space, another an apostrophe,
interferes with easily running linux "find" on iotivity,
and there's no compelling reason why these characters are needed
in the names.

Change-Id: I85b554d874bed654a150915a23fb8b237e2f189a
Signed-off-by: Mats Wichmann <mats@linux.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19359
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>

diff --git a/resource/csdk/connectivity/RELEASE v0.7 b/resource/csdk/connectivity/RELEASE_v0.7
similarity index 100%
rename from resource/csdk/connectivity/RELEASE v0.7
rename to resource/csdk/connectivity/RELEASE_v0.7

diff --git a/service/docs/Programmer's_Guide_ResourceEncapsulation_Ubuntu.pdf b/service/docs/Programmer_Guide_Resource_Encapsulation_Ubuntu.pdf
similarity index 100%
rename from service/docs/Programmer's_Guide_ResourceEncapsulation_Ubuntu.pdf
rename to service/docs/Programmer_Guide_Resource_Encapsulation_Ubuntu.pdf