[PATCH 0/5] some fixes and additions

[Lubomir I. Ivanov]

[PATCH 1/5] add and use a version.c / version.h pair

was discussed with Anton and Dirk previously and is a very nice thing
to have. as mentioned in the commit message we can use constants instead
of functions. let me know if you want me to change the patch to that.

i would use functions for API calls.

[PATCH 2/5] OS: add the subsurface_mkdir() wrapper

build is broken without it. Linux and OSX are untested.

[PATCH 3/5] qthelper.cpp: use QStandardPaths::DataLocation for older

build is broken on Qt 5.3. patch branches the newer enum value
for Qt >= 5.4.

[PATCH 4/5] parse-xml.c: remove unused variables in
[PATCH 5/5] downloadfromdivecomputer.cpp: fix initializer list order

these two fix a couple of warnings

lubomir
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