Replace “package” with “module” in a number of places

Ref #1059

powerline/bindings/vim/plugin/powerline.vim

@@ -86,7 +86,7 @@ finally
 	if !exists('s:launched')
 		unlet s:pystr
 		echohl ErrorMsg
-			echomsg 'An error occurred while importing powerline package.'
+			echomsg 'An error occurred while importing powerline module.'
 			echomsg 'This could be caused by invalid sys.path setting,'
 			echomsg 'or by an incompatible Python version (powerline requires'
 			echomsg 'Python 2.6, 2.7 or 3.2 and later to work). Please consult'

powerline/segments/common.py

@@ -342,7 +342,7 @@ else:
 internal_ip = with_docstring(internal_ip,
 '''Return internal IP address
 
-Requires ``netifaces`` package to work properly.
+Requires ``netifaces`` module to work properly.
 
 :param str interface:
 	Interface on which IP will be checked. Use ``detect`` to automatically 
@@ -708,7 +708,7 @@ except ImportError:
 
 		@staticmethod
 		def render(cpu_percent, pl, format='{0:.0f}%', **kwargs):
-			pl.warn('psutil package is not installed, thus CPU load is not available')
+			pl.warn('Module “psutil” is not installed, thus CPU load is not available')
 			return None
 
 
@@ -792,7 +792,7 @@ def uptime(pl, days_format='{days:d}d', hours_format=' {hours:d}h', minutes_form
 	try:
 		seconds = _get_uptime()
 	except NotImplementedError:
-		pl.warn('Unable to get uptime. You should install psutil package')
+		pl.warn('Unable to get uptime. You should install psutil module')
 		return None
 	minutes, seconds = divmod(seconds, 60)
 	hours, minutes = divmod(minutes, 60)
@@ -1111,7 +1111,7 @@ class NowPlayingSegment(Segment):
 		try:
 			import dbus
 		except ImportError:
-			pl.exception('Could not add {0} segment: requires python-dbus', player_name)
+			pl.exception('Could not add {0} segment: requires dbus module', player_name)
 			return
 		bus = dbus.SessionBus()
 		try: