Don't use Perl's -w flag

Dependencies

• [2] XHOZT4WT Add a command `hydra-create-user' for managing user accounts
• [3] UGA45FNC Add a plugin for backing up builds in s3
• [4] US27ZTX5 * HydraFrontend -> Hydra.
• [5] PKPWUHUX * Idem.
• [6] T4LLYESZ * Nix expression for building Hydra.
• [7] NCYM2P3D Derivations with multiple outputs break the 'link name is store path' assumption
• [8] D5QIOJGP * Move everything up one directory.
• [9] L4AI5YL6 Rename hydra_*.pl to hydra-*
• [10] JK2QWPH6
• [11] ERNOO5ZZ * Reorganising.
• [12] AMFMXR52 Provide a command ‘hydra-init’ to initialise/upgrade the database
• [13] TJK27WSB Open the DB using Hydra::Model::DB->new
• [14] 4LL3WLON Write Hydra roots as regular files instead of symlinks
• [15] FV2M6MOT hydra: use autoconf/-make
• [16] J5UVLXOK * Start of a basic Catalyst web interface.
• [17] N22GPKYT * Put info about logs / build products in the DB.
• [18] WZ3AEJ67 * hydra_update_gc_roots.pl registers build outputs that should be kept
• [19] 7YBYT2LQ
• [20] Q6SOGMDQ Hydra/28: Rename "scheduler" to "evaluator"

Change contents

• replacement in src/script/hydra-build at line 1
  [3.2912]→[3.231:273](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.2912]

  [3.2926]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-create-user at line 1
  [2.423]→[2.424:466](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [2.423]

  [2.466]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-evaluator at line 1
  [3.1319]→[3.442:484](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.1319]

  [3.1333]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-init at line 1
  [3.2638]→[3.2639:2681](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.2638]

  [3.2681]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-queue-runner at line 1
  [3.7823]→[3.527:569](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.7823]

  [3.7837]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-s3-backup-collect-garbage at line 1
  [3.7579]→[3.7580:7622](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.7579]

  [3.7622]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-server at line 1
  [3.16523]→[3.653:695](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.16523]

  [3.16565]
  + #! /var/run/current-system/sw/bin/perl
• replacement in src/script/hydra-update-gc-roots at line 1
  [3.472]→[3.741:783](∅→∅)
  − #! /var/run/current-system/sw/bin/perl -w
  [3.472]

  [3.515]
  + #! /var/run/current-system/sw/bin/perl