Upgrade to H2 1.4.194. (#389)

- Timezone related fixes.
- A Turkish case canonicalisation bug.
- Fixes for some scary threading related bugs.

build.gradle

@@ -31,6 +31,7 @@ buildscript {
     ext.jopt_simple_version = '5.0.2'
     ext.jansi_version = '1.14'
     ext.hibernate_version = '5.2.6.Final'
+    ext.h2_version = '1.4.194'
     ext.rxjava_version = '1.2.4'
     ext.requery_version = '1.1.1'
     ext.dokka_version = '0.9.13'

node-schemas/build.gradle

@@ -31,5 +31,5 @@ dependencies {
     kapt "io.requery:requery-processor:$requery_version"
 
     // For H2 database support in persistence
-    testCompile "com.h2database:h2:1.4.193"
+    testCompile "com.h2database:h2:$h2_version"
 }

node/build.gradle

@@ -129,7 +129,7 @@ dependencies {
     testCompile project(':core')
 
     // For H2 database support in persistence
-    compile "com.h2database:h2:1.4.193"
+    compile "com.h2database:h2:$h2_version"
 
     // Exposed: Kotlin SQL library - under evaluation
     // TODO: Upgrade to Exposed 0.7 (has API changes)