test: rename maildir messages to have integer unique portions.

The `:2,S` portion of the filename means the messages have version 2
status flags (2), and the messages have been seen (S).

diff --git a/test/Frodo_Baggins/Assignment_1/mail/cur/1.home:2,S b/test/Frodo_Baggins/Assignment_1/mail/cur/1:2,S
similarity index 100%
rename from test/Frodo_Baggins/Assignment_1/mail/cur/1.home:2,S
rename to test/Frodo_Baggins/Assignment_1/mail/cur/1:2,S

diff --git a/test/Frodo_Baggins/Assignment_1/mail/cur/2.home:2,S b/test/Frodo_Baggins/Assignment_1/mail/cur/2:2,S
similarity index 100%
rename from test/Frodo_Baggins/Assignment_1/mail/cur/2.home:2,S
rename to test/Frodo_Baggins/Assignment_1/mail/cur/2:2,S

diff --git a/test/Frodo_Baggins/Assignment_1/mail/cur/3.home:2,S b/test/Frodo_Baggins/Assignment_1/mail/cur/3:2,S
similarity index 100%
rename from test/Frodo_Baggins/Assignment_1/mail/cur/3.home:2,S
rename to test/Frodo_Baggins/Assignment_1/mail/cur/3:2,S

diff --git a/test/mail-in/cur/1335305422.24789_3.home:2,S b/test/mail-in/cur/01:2,S
similarity index 100%
rename from test/mail-in/cur/1335305422.24789_3.home:2,S
rename to test/mail-in/cur/01:2,S

diff --git a/test/mail-in/cur/1335305442.24789_5.home:2,S b/test/mail-in/cur/02:2,S
similarity index 100%
rename from test/mail-in/cur/1335305442.24789_5.home:2,S
rename to test/mail-in/cur/02:2,S

diff --git a/test/mail-in/cur/1335305513.24789_7.home:2,S b/test/mail-in/cur/03:2,S
similarity index 100%
rename from test/mail-in/cur/1335305513.24789_7.home:2,S
rename to test/mail-in/cur/03:2,S

diff --git a/test/mail-in/cur/1335305600.00000_1.home:2,S b/test/mail-in/cur/04:2,S
similarity index 100%
rename from test/mail-in/cur/1335305600.00000_1.home:2,S
rename to test/mail-in/cur/04:2,S

diff --git a/test/mail-in/cur/1335305600.00000_2.home:2,S b/test/mail-in/cur/05:2,S
similarity index 100%
rename from test/mail-in/cur/1335305600.00000_2.home:2,S
rename to test/mail-in/cur/05:2,S

diff --git a/test/mail-in/cur/1335305600.00000_3.home:2,S b/test/mail-in/cur/06:2,S
similarity index 100%
rename from test/mail-in/cur/1335305600.00000_3.home:2,S
rename to test/mail-in/cur/06:2,S

diff --git a/test/mail-in/cur/1335305600.00000_4.home:2,S b/test/mail-in/cur/07:2,S
similarity index 100%
rename from test/mail-in/cur/1335305600.00000_4.home:2,S
rename to test/mail-in/cur/07:2,S

diff --git a/test/mail-in/cur/1335305600.00000_5.home:2,S b/test/mail-in/cur/08:2,S
similarity index 100%
rename from test/mail-in/cur/1335305600.00000_5.home:2,S
rename to test/mail-in/cur/08:2,S