Updated compose modal

Added "publish" button on top of modal. Added compose modal scroll functionality. Updated max height for textbox. Removed avatar, arrow on compose modal for more room. Updated image upload sizes for composer.
Fixes: #83

app/javascript/styles/gabsocial/components.scss

@@ -264,9 +264,11 @@
 				left: -22px;
 				top: 13px;
 			}
-		.autosuggest-textarea__textarea {
-			padding: 14px 32px 13px 10px !important;
-			body.theme-gabsocial-light & {background: $gab-background-base-light;}
+			.autosuggest-textarea__textarea {
+				padding: 14px 32px 13px 10px !important;
+				body.theme-gabsocial-light & {
+					background: $gab-background-base-light;
+				}
 			}
 		}
 	}
@@ -4915,10 +4917,16 @@ noscript {
 
 	&__close {
 	position: absolute;
-	right: 10px;
+	left: 10px;
 	top: 10px;
 	}
 
+	&__publish {
+		position: absolute;
+		right: 10px;
+		top: 4px;
+	}
+
 	&__content {
 		display: flex;
 		flex-direction: row;
@@ -4926,6 +4934,11 @@ noscript {
 		padding: 10px;
 		overflow-y: hidden;
 
+		&--scroll {
+			display: block;
+			overflow-y: scroll;
+		}
+
 		.timeline-compose-block {
 			background: transparent !important;
 			width: 100%;
@@ -4936,9 +4949,14 @@ noscript {
 				max-height: 100%;
 				display: flex;
 				flex-direction: column;
+				padding: 0 !important;
 
 				.compose-form__autosuggest-wrapper .autosuggest-textarea__textarea {
-					max-height: calc(100vh - 363px) !important;
+					max-height: 160px !important;
+				}
+
+				.compose-form__autosuggest-wrapper:before {
+					content: none !important;
 				}
 			}
 		}
@@ -4946,8 +4964,9 @@ noscript {
 
 	@media screen and (max-width:895px) {
 		margin: 0;
-		height: 98vh;
-		width: 98vw;
+		border-radius: 0;
+    height: 100vh;
+		width: 100vw;
 	}
 }
 
@@ -5215,7 +5234,7 @@ noscript {
 	border-bottom: 1px solid;
 	border-top: 1px solid;
 	border-color: darken($ui-base-color, 4%);
-	transition: max-height 2.5s ease;
+	transition: max-height 150ms ease;
 	overflow: hidden;
 
 	&.hidden {