added apreq_module and increased upload limit to tusk_base.conf template
Add db/legacy_version.pl script
Finish db/legacy_version.pl script
Move check for baseline database in legacy_version.pl to top

Check for schema_change_log table first.
Add upgrade instructions for Tusk 4.0 [TUS-2697]

Ongoing work on upgrade instructions. Started off with database
instructions.
Remove deprecated files from install folder
Remove redundant db/*.pl continued
Remove deprecated install/sql/*.sql files

Deprecated in favor of baseline and upgrade scripts.

Conflicts:
	install/sql/create_school_tables.sql
Move db scripts to bin/db [TUS-2705]
Make announcement created column explicit [TUS-2710]

In baseline_hsdb45_admin.mysql, the announcement table's created
column did not have default or update specification (they are
implicit). This commit makes the specification explicit.
Fix bin/db/upgrade.pl comment regex
Fix TUSK::DB::Upgrade to work with hsdb45

Did not properly loop over hsdb45_?_admin databases for
schema_change_log update. Fixed.
Add missing columns to hsdb45 [TUS-2710]

eval_results_graphics, eval_results_histogram and
eval_results_supporting_graphs were missing the graphic_text
column. Fixed in upgrade script db/sc.hsdb45.01.00.0001.mysql
took out unneeded call to __() [TUS-2700]
Added SIGPIPE [TUS-2716] added Copyright to ProxyRemoteAddr
Fixed copyright errors for TUS-2673

Conflicts:
	bin/manage_test_users
Added directory name to error message if unable to open
removing mason_cache/placeholder
added email_test.pl moved to utils repo not used scripts

Added beta copy of script to change school display name
Updated apache tusk_base.conf template for enabling io :print error [TUS-2716]