Get tests running/passing under Linux (#194)

* Get tests running/passing under Linux

- Fix up `dlopen` abstraction

- Fix up some test cases to request hlsl (rather than default to dxbc) so they can run on non-Windows targets

- Fix up test runner ignore tests that can't run on current platform (and not count those as failure)

- Fix file handle leeak in process spawner absttraction

- Get additional test-related applications building

- More tweaks to Travis script; in theory deployment is set up now (yeah, right)

* fixup

* fixup: Travis environment variable syntax

* fixup: Buffer->begin

* fixup: actually run full tests on one config

* fixup: add build status badge for Travis

1 files changed, 1 insertions, 1 deletions

diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 65abbb3f2..e51d111de 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -859,7 +859,7 @@ SLANG_API int spCompile(
 {
     auto req = REQ(request);
 
-#if 1
+#if 0
     // By default we'd like to catch as many internal errors as possible,
     // and report them to the user nicely (rather than just crash their
     // application). Internally Slang currently uses exceptions for this.