initial attempt at some built-in help
Merge remote-tracking branch 'upstream' into feature/help-command
reformat help code to meet project style
Substitute functions requiring glib > 2.28

Configure declares glib 2.0.0 is enough, but some functions (convenience only) were introduced in glib 2.28.

This patch adds wrappers for old glib constructs in compat.h and adds the header where its missing.
Merge pull request #9 from jaromil/older-glib-compat

Substitute functions requiring glib > 2.28
Merge pull request #6 from colindean/feature/help-command

initial attempt at some built-in help
[lib] script: const-ify bp_tx_sighash()
Add preliminary script signing support
fixed win32 fd_set

added fakepoll.h(public domain) with a mingw mod to mend some fd_set not
found issues
Merge pull request #10 from grimd34th/master

fixed win32 fd_set
src/Makefile.am: include fakepoll.h in build system
[lib] introduce file_seq_open() helper
[src] peerman: record-at-a-time I/O, rather than whole-file
[src] improve network error messaging
picocoin: add "debug" setting, for debug output.  some code movement.
[lib] util: fix invalid free() introduced in last change
[src] Fix crash on 'help' command
picocoin: additional debug and error diagnostic output
[lib] message: fix "version" message to force MIN_PROTO_VERSION on CAddress
[lib] dns: export bu_dns_lookup() helper