Merge branch 'javaism'

Conflicts:
	src/main/java/com/sendgrid/SendGrid.java
	src/test/java/com/sendgrid/SendGridTest.java

Author: elbuo8

build.gradle

@@ -19,6 +19,7 @@ apply plugin: 'signing'
 group         = 'com.sendgrid'
 version       = "1.0.1"
 ext.packaging = 'jar'
+sourceCompatibility = 1.6
 
 if (!hasProperty("sonatypeUsername")) {
   ext.sonatypeUsername = null
@@ -40,7 +41,9 @@ buildscript {
 
 dependencies {
   compile 'com.sendgrid:smtpapi-java:0.0.2'
-  compile 'com.mashape.unirest:unirest-java:1.3.8'
+  compile 'org.apache.httpcomponents:httpcore:4.3.2'
+  compile 'org.apache.httpcomponents:httpclient:4.3.4'
+  compile 'org.apache.httpcomponents:httpmime:4.3.4'
   compile 'org.json:json:20140107'
   testCompile group: 'junit', name: 'junit', version: '4.+'
 }
@@ -49,6 +52,14 @@ repositories {
   mavenCentral()
 }
 
+allprojects {
+  gradle.projectsEvaluated {
+    tasks.withType(JavaCompile) {
+      options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
+      }
+  }
+}
+
 // adds 'with-dependencies' to the fatJar name
 fatJar {
   classifier 'jar'
@@ -143,7 +154,6 @@ uploadArchives {
 
 artifacts {
   archives fatJar
-
   archives jar
   archives javadocJar
   archives sourcesJar