Modify version to preview1

Author: pranavkm

makefile.shade

@@ -2,6 +2,7 @@
 var VERSION='0.1'
 var FULL_VERSION='0.1'
 var AUTHORS='Microsoft Open Technologies, Inc.'
+- BuildQuality = "";
 
 use-standard-lifecycle
 k-standard-goals

src/Microsoft.Extensions.Caching.Abstractions/project.json

@@ -1,4 +1,5 @@
 {
+  "version": "1.0.0-rc2-*",
   "buildOptions": {
     "warningsAsErrors": true,
     "keyFile": "../../tools/Key.snk",
@@ -35,7 +36,6 @@
       }
     }
   },
-  "version": "1.0.0-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.Extensions.Caching.Memory/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-rc2-*",
   "description": "In-memory cache implementation of Microsoft.Extensions.Caching.Memory.IMemoryCache.",
   "packOptions": {
     "repository": {

src/Microsoft.Extensions.Caching.Redis/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-rc2-*",
   "description": "Distributed cache implementation of Microsoft.Extensions.Caching.Distributed.IDistributedCache using Redis.",
   "packOptions": {
     "repository": {

src/Microsoft.Extensions.Caching.SqlConfig.Tools/project.json

@@ -1,4 +1,5 @@
 {
+  "version": "1.0.0-preview1-*",
   "dependencies": {
     "Microsoft.Extensions.CommandLineUtils": "1.0.0-*",
     "Microsoft.Extensions.Logging": "1.0.0-*",
@@ -30,7 +31,6 @@
     ],
     "xmlDoc": true
   },
-  "version": "1.0.0-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.Extensions.Caching.SqlServer/project.json

@@ -1,4 +1,5 @@
 {
+  "version": "1.0.0-rc2-*",
   "dependencies": {
     "Microsoft.Extensions.Caching.Abstractions": "1.0.0-*",
     "Microsoft.Extensions.Options": "1.0.0-*"
@@ -19,7 +20,6 @@
       }
     }
   },
-  "version": "1.0.0-*",
   "packOptions": {
     "repository": {
       "type": "git",