fixed documentation links pointing to localhost

fixes #738
Update writing-queries.markdown
Update searching.markdown
Update breaking-changes.md
Delete .DS_Store
Update handling-responses.md
Update errors.md
Update building-requests.md
Update writing-queries.markdown
Update index-type-inference.markdown
Update handling-responses.markdown
fixing #753
fixed failing unit tests that failed in release mode (no .Metrics() set, missing copy always on some json files)
GetAliases() now points to _aliases and new method GetAlias points to _alias
csproj file changes
fixed create alias not sending sub properties
generated allow 404 and contenttype needs to be set after custom selector is called
Delete should allow 404
fixed last of the failing integration tests after merging object-initializer-syntax
If a PING fails do not try to do elasticsearch call afterwards anyway, force CONNECT abort on ping after PING timeout