Enabled exclusion of exception branches from coverage.

Fixed parsing of GCC 8 intermediate text files.

Fixed get_version to work properly with tags.

Squashed commit rebasing all previous modifications over upstream master

LCOV version 1.14

LCOV version 1.13

lcov: Finalize release 1.12

 - Use full git describe output as tool version
 - Update version numbers and last-changed-dates in man pages,
   spec and README file
 - Replace static CHANGES file with git log
 - Switch Makefile logic to use mktemp for generating a temporary
   directory

Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>

Forward slashes are replaced by backslashes in the patterns passed to…

… remove or extract options under Windows

Fixed directory separators to use the platform specific separator (ba…

…ckslash in Win, forward slash in *IX), to solve multiple bugs (e.g. --no-external not working).

Implemented modifications based on Donald MacQueen's changes, then re…

…factored it altogether to try to be less divergent from the mainline code.

lcov: finalizing release 1.11