[mod_webdav] improve PROPFIND,PROPPATCH; map COPY/MOVE Destination
[mod_webdav] improve PROPFIND,PROPPATCH; map COPY/MOVE Destination

improve PROPFIND,PROPPATCH
map COPY/MOVE Destination to aliases

Merge branch 'bug-1787-webdav-alias-destination' into master

github: closes #61

PatchyFog/lighttpd1.4-mbedtls,gstrauss/lighttpd1.4,gstrauss/lighttpd1.4,PatchyFog/lighttpd1.4-mbedtls,PatchyFog/lighttpd1.4-mbedtls,lighttpd/lighttpd1.4,gstrauss/lighttpd1.4,PatchyFog/lighttpd1.4-mbedtls,PatchyFog/lighttpd1.4-mbedtls,gstrauss/lighttpd1.4,gstrauss/lighttpd1.4,PatchyFog/lighttpd1.4-mbedtls,lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,gstrauss/lighttpd1.4,lighttpd/lighttpd1.4,lighttpd/lighttpd1.4,PatchyFog/lighttpd1.4-mbedtls