Add support for working group in first page

AuthReportConfig.tex

@@ -15,6 +15,7 @@
 % \CoAuthorMail:    Co-author's mail [optional]
 % \DocTitle:        To print document title (also in fancyheader)
 % \CoAuthorAEM :    Co-author's AEM [optional]
+% \WorkGroup:       Working group of the assignment/project
 % \Department:      The School
 % \ClassName:       Class name to print (also in fancyheader)
 % \InstructorName:  To print instructor's mame
@@ -118,16 +119,12 @@
 % \eng{}
 % syntactic suggar for english text inside greek
 % example \eng{A quick brown fox jumpedover the lazy dog}
-\newcommand{\eng}[1]{
+\newcommand{\eng}[1]{\foreignlanguage{english}{#1}}
-    \foreignlanguage{english}{#1}
-}
 
 % \gr{}
 % syntactic suggar for greek text inside english
 % example \gr{Άσπρη πέτρα ξέξασπρη κι απτον ήλιο ξεξασπρότερη}
-\newcommand{\gr}[1]{
+\newcommand{\gr}[1]{\foreignlanguage{greek}{#1}}
-    \foreignlanguage{greek}{#1}
-}
 
 % \setEnglish
 % Selects english for the rest of the text
@@ -163,11 +160,14 @@
                                                 % vertical space
         % Authors
         \begin{minipage}{0.4\textwidth}
-            \begin{flushleft} \large
+            \begin{flushleft}
+                \large
+                \ifdefined \WorkGroup \emph{\textsc{\WorkGroup}}\\[2ex]\fi
                 \ifdefined \CoAuthorName \emph{Συντάκτες:} \else \emph{Συντάκτης:}\fi  \\
                 \textsc{\AuthorName}     \\
                 \textsc{AEM:\AuthorAEM}  \\[1ex]
                 \normalsize	\href{mailto:\AuthorMail}{\eng{\AuthorMail}}  \\[2ex]
+                \large
                 \ifdefined\CoAuthorName \textsc{\CoAuthorName}    \\      \fi
                 \ifdefined\CoAuthorAEM  \textsc{AEM:\CoAuthorAEM} \\[1ex] \fi
                 \ifdefined\CoAuthorMail \normalsize \href{mailto:\CoAuthorMail}{\eng{\CoAuthorMail}} \fi
@@ -204,11 +204,13 @@
         {\large \CurrentDate}           \\[0.4cm]   % date
         % Authors
         \begin{minipage}{0.4\textwidth}
-            \begin{flushleft} \large
+            \begin{flushleft}
+                \large
                 \ifdefined \CoAuthorName \emph{Συντάκτες:} \else \emph{Συντάκτης:}\fi  \\
                 \textsc{\AuthorName}     \\
                 \textsc{AEM:\AuthorAEM}  \\[1ex]
                 \normalsize	\href{mailto:\AuthorMail}{\eng{\AuthorMail}}  \\[2ex]
+                \large
                 \ifdefined\CoAuthorName \textsc{\CoAuthorName}    \\      \fi
                 \ifdefined\CoAuthorAEM  \textsc{AEM:\CoAuthorAEM} \\[1ex] \fi
                 \ifdefined\CoAuthorMail \normalsize \href{mailto:\CoAuthorMail}{\eng{\CoAuthorMail}} \fi