Remove Student Name From DB Script

Removes a student's name from the pdropall.sql script.

Changes:

 * db_admin/postgres/pdropall.sql
Remove Site-Specific Comment

Removes a site-specific comment from postgres pgrant.sql script.

Changes:

 * db_admin/postgres/pgrant.sql
Add Script Creating Complex Result Table

Adds a SQL script that creates the complex_perf_result table in
Perftrack databases that don't support it already, such as the
demo data.

Changes:

 * complex_perf_result_update.sql: New file, schema from pcreate.sql.
Fix Broken GUI DB Query

Fixes a query performed by the GUI when saving combined performance
results to the database. This eliminates an error dialog that was
popping up.

Changes:

 * src/GUI/data_access.cpp: Delete broken query and uncomment working
   existing query.
Add New Demo DB Dump

Adds a version of the demo data dump for postgres that works with
the latest version of PerfTrack.

Changes:

 * tests/GUI/GUItest-Instructions.txt: Update instructions to list new
   DB dump file.
 * tests/GUI/postgresql/SC07_milcdemodata_partialCPRs-2013-08-15.dmp:
   New demo data dump created by loading SC07_milcdemodata_partialCPRs.dmp,
   applying the expected_val_update.sql and complex_perf_result.sql
   scripts to the database, and then dumping the result.
Update GitHub URL In Docs

Updates the documentation to reflect the address of the permanent
GitHub repository.

Changes:

 * docs/PerfTrackUsersGuide.doc: Update GitHub URL.
 * docs/PerfTrackUsersGuide.pdf: Regenerate from DOC file.
Remove Blocks of #if 0

Removes code blocked out using #if 0.

Changes:

 * column_data_dialog.cpp
 * data_access.cpp
 * data_table.cpp
 * resource_selector.cpp
Remove Code For Using Old Schema

Removes code conditionally compiled in using #ifdef USE_OLD_TABLES
on the grounds that it wouldn't make sense to go back to the old
database schema, i.e. prior to adding support for datacenter re-
sources, etc.

Changes:

 * data_access.cpp
 * pt_main_window.cpp
 * resource_selector.cpp
 * selection_dialog.cpp
Remove Metric Hack

Removes code implementing a hack for metrics that is no longer
used (the #define that enabled the code was commented out).

Changes:

 * selection_dialog.cpp
Remove Bhagya Y Comments

Removes comments added by a student to mark their code.

Changes:

 * data_access.cpp: Remove all 'Bhagya Y' comments.
Remove 'smithm' comments

Removes comments added by a student explaining work done during the
Qt 3 to 4 transition.

Changes:

 * data_access.cpp
 * data_access.h
 * data_table.cpp
 * dataset.h
 * file_options_dialog.cpp
 * pt_main_window.cpp
 * resource_type_and_name.h
 * result_table_cursor.cpp
 * result_table_cursor.h
 * selection_dialog.cpp
 * tg_barchart.cpp
 * two_d_table.h
Scrub More Student Names

Scrubs a last couple of comments with student names.

Changes:

 * data_access.cpp
Merge pull request #1 from heathharrelson/master

Code Cleanup and Demo Data