Heavily reworked inspections for edge cases, such as multiple isEqualTo() calls inside a single statement. Corrected highlighting for most inspections. Lots of refactorings, tweakings. Added travis-ci file (untested). Added jacoco.

src/test/resources/inspections/JoinStatements/JoinStatementsAfter.java

@@ -46,5 +46,7 @@ public class JoinStatements {
         Iterator<String> iterator = list.iterator();
         assertThat(iterator.next()).isEqualTo("foo");
         assertThat(iterator.next()).isEqualTo("bar");
+        assertThat(iterator.next().toLowerCase()).isEqualTo("foo");
+        assertThat(iterator.next().toLowerCase()).isEqualTo("bar");
     }
 }

src/test/resources/inspections/JoinStatements/JoinStatementsBefore.java

@@ -48,5 +48,7 @@ public class JoinStatements {
         Iterator<String> iterator = list.iterator();
         assertThat(iterator.next()).isEqualTo("foo");
         assertThat(iterator.next()).isEqualTo("bar");
+        assertThat(iterator.next().toLowerCase()).isEqualTo("foo");
+        assertThat(iterator.next().toLowerCase()).isEqualTo("bar");
     }
 }