Scheduler initial

Squashed version of !52 (closed)

Initial setup of the scheduler. Features:

• Matrix/assignment/studentscheduleinformation classes for representing the input and output data of the scheduling algorithm
• Extendable scheduler setup
• Gurobi-powered LP scheduling algorithm
• Structure setup for getting database input into scheduler-ready format

config/checkstyle/checkstyle.xml

@@ -53,8 +53,9 @@
         <property name="maximum" value="0"/>
         <property name="message" value="Line has trailing spaces."/>
     </module>
-    <module name="NewlineAtEndOfFile" />
-
+    <module name="NewlineAtEndOfFile">
+        <property name="lineSeparator" value="lf_cr_crlf"/>
+    </module>
     <!-- Checks for Headers                                -->
     <!-- See http://checkstyle.sf.net/config_header.html   -->
     <!-- <module name="Header"> -->
@@ -87,7 +88,9 @@
 
         <!-- Checks for imports                              -->
         <!-- See http://checkstyle.sf.net/config_import.html -->
-        <module name="AvoidStarImport"/>
+        <module name="AvoidStarImport">
+            <property name="excludes" value="gurobi"/>
+        </module>
         <module name="IllegalImport"/> <!-- defaults to sun.* packages -->
         <module name="RedundantImport"/>
         <module name="UnusedImports">