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ARROW-3913: [Gandiva] [GLib] Add GGandivaLiteralNode

Support GGandivaLiteralNode including the following sub classes.

- GGandivaUint8LiteralNode
- GGandivaUint16LiteralNode
- GGandivaUint32LiteralNode
- GGandivaUint64LiteralNode
- GGandivaInt8LiteralNode
- GGandivaInt16LiteralNode
- GGandivaInt32LiteralNode
- GGandivaInt64LiteralNode
- GGandivaFloatLiteralNode
- GGandivaDoubleLiteralNode
- GGandivaStringLiteralNode
- GGandivaBinaryLiteralNode

Author: Yosuke Shiro <yosuke.shiro615@gmail.com>
Author: Kouhei Sutou <kou@clear-code.com>

Closes #3092 from shiro615/glib-add-ggandiva-literal-node and squashes the following commits:

fb49b256 <Kouhei Sutou> Add a missing ref
91cebe1c <Kouhei Sutou> Break a long line
3ad1e5d8 <Yosuke Shiro>  Support BooleanLiteralNode#value
28d301eb <Yosuke Shiro> Fix class orders
7d70c89e <Yosuke Shiro> Remove binary literal property
783a2868 <Yosuke Shiro> Use g_bytes_ref in ggandiva_binary_literal_node_get_value()
4162234d <Yosuke Shiro> Fix class orders
289dfce2 <Yosuke Shiro> Add ggandiva_binary_literal_node_new_bytes()
77f9eb89 <Yosuke Shiro> Remove (transfer full) to use return value.c_str()
e43d525f <Yosuke Shiro> Use static_pointer_cast
62a6dd5c <Yosuke Shiro> Return GBytes in ggandiva_binary_literal_node_get_value()
48d1175d <Yosuke Shiro> Remove unnecessary static_cast
d7ac46b4 <Yosuke Shiro> Remove (nullable) of size of binary literal
8f6643af <Yosuke Shiro> Fix documents
3ded5866 <Yosuke Shiro> Refactor ggandiva_literal_{}_node_new_raw()
a54c6f58 <Yosuke Shiro> Add the original raw value getter
bb2f71be <Yosuke Shiro> Rename Uint to UInt
34422ad1 <Yosuke Shiro> Remove property
7a3fe325 <Yosuke Shiro> Use 'const guint8 *value, gsize size' for binary data
138abbf8 <Yosuke Shiro> Fix a typo
ba501d60 <Yosuke Shiro> Rename is_true to value
a45fa752 <Yosuke Shiro> Use MakeStringLiteral, MakeBinaryLiteral
d8775e4a <Yosuke Shiro> Fix property name in BooleanLiteralNode
62a4eb48 <Yosuke Shiro> Add test case for LiteralNode
83876ccd <Yosuke Shiro>  Support GGandivaLiteralNode